move tests/rua_helper.[ch] to src directory

The RUA Helper is not test-specific.
diff --git a/src/Makefile.am b/src/Makefile.am
index 0a54e01..c6bb440 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -42,7 +42,7 @@
 
 osmo_hnbgw_SOURCES = hnbap_encoder.c hnbap_decoder.c hnbap_common.c \
 		     rua_encoder.c rua_decoder.c rua_common.c \
-		     sccp_helpers.c \
+		     rua_msg_factory.c sccp_helpers.c \
 		     hnbgw.c hnbgw_hnbap.c hnbgw_rua.c hnbgw_ranap.c \
 		     context_map.c hnbgw_cn.c
 
diff --git a/src/tests/rua_helper.c b/src/rua_msg_factory.c
similarity index 90%
rename from src/tests/rua_helper.c
rename to src/rua_msg_factory.c
index d1dcbf6..b664509 100644
--- a/src/tests/rua_helper.c
+++ b/src/rua_msg_factory.c
@@ -1,9 +1,12 @@
-#include "rua_common.h"
-#include "rua_ies_defs.h"
+#include <stdint.h>
 #include <osmocom/netif/stream.h>
 
-#include "hnbgw.h"
+#include "rua_common.h"
+#include "rua_ies_defs.h"
+#include "rua_msg_factory.h"
 #include "asn1helpers.h"
+#include "hnbgw.h"
+
 
 struct msgb *rua_new_udt(struct msgb *inmsg)
 {
@@ -13,7 +16,7 @@
 	int rc;
 
 	memset(&ies, 0, sizeof(ies));
-	OCTET_STRING_fromBuf(&ies.ranaP_Message.buf, inmsg->data, msgb_length(inmsg));
+	OCTET_STRING_fromBuf(&ies.ranaP_Message, inmsg->data, msgb_length(inmsg));
 	msgb_free(inmsg);
 
 	memset(&out, 0, sizeof(out));
@@ -50,7 +53,7 @@
 		ies.cN_DomainIndicator = RUA_CN_DomainIndicator_cs_domain;
 	asn1_u24_to_bitstring(&ies.context_ID, &ctxidbuf, context_id);
 	ies.establishment_Cause = RUA_Establishment_Cause_normal_call;
-	OCTET_STRING_fromBuf(&ies.ranaP_Message.buf, inmsg->data, msgb_length(inmsg));
+	OCTET_STRING_fromBuf(&ies.ranaP_Message, inmsg->data, msgb_length(inmsg));
 	msgb_free(inmsg);
 
 	memset(&out, 0, sizeof(out));
@@ -86,7 +89,7 @@
 	else
 		ies.cN_DomainIndicator = RUA_CN_DomainIndicator_cs_domain;
 	asn1_u24_to_bitstring(&ies.context_ID, &ctxidbuf, context_id);
-	OCTET_STRING_fromBuf(&ies.ranaP_Message.buf, inmsg->data, msgb_length(inmsg));
+	OCTET_STRING_fromBuf(&ies.ranaP_Message, inmsg->data, msgb_length(inmsg));
 	msgb_free(inmsg);
 
 	memset(&out, 0, sizeof(out));
@@ -127,7 +130,7 @@
 	ies.cause.choice.radioNetwork = RUA_CauseRadioNetwork_normal;
 	if (inmsg && inmsg->data&& msgb_length(inmsg)) {
 		ies.presenceMask |= DISCONNECTIES_RUA_RANAP_MESSAGE_PRESENT;
-		OCTET_STRING_fromBuf(&ies.ranaP_Message.buf, inmsg->data, msgb_length(inmsg));
+		OCTET_STRING_fromBuf(&ies.ranaP_Message, inmsg->data, msgb_length(inmsg));
 	}
 	msgb_free(inmsg);
 
diff --git a/src/tests/rua_helper.h b/src/rua_msg_factory.h
similarity index 100%
rename from src/tests/rua_helper.h
rename to src/rua_msg_factory.h
diff --git a/src/tests/Makefile.am b/src/tests/Makefile.am
index 122c663..6a4e4dc 100644
--- a/src/tests/Makefile.am
+++ b/src/tests/Makefile.am
@@ -5,7 +5,7 @@
 check_PROGRAMS = test-ranap test-helpers test-hnbap hnb-test dummy-cn
 
 HNBAP_FILES = $(top_srcdir)/src/hnbap_common.c $(top_srcdir)/src/hnbap_decoder.c $(top_srcdir)/src/hnbap_encoder.c
-RUA_FILES = $(top_srcdir)/src/rua_common.c $(top_srcdir)/src/rua_decoder.c $(top_srcdir)/src/rua_encoder.c
+RUA_FILES = $(top_srcdir)/src/rua_common.c $(top_srcdir)/src/rua_decoder.c $(top_srcdir)/src/rua_encoder.c $(top_srcdir)/src/rua_msg_factory.c
 
 test_helpers_SOURCES = test-helpers.c
 test_helpers_LDADD = $(COMMON_LIBS) $(top_builddir)/src/libosmo-ranap.la
@@ -13,7 +13,7 @@
 test_hnbap_SOURCES = $(top_srcdir)/src/hnbap_common.c $(top_srcdir)/src/hnbap_decoder.c test-hnbap.c test_common.c
 test_hnbap_LDADD = $(COMMON_LIBS) $(top_builddir)/src/hnbap/libosmo-asn1-hnbap.a $(top_builddir)/src/libosmo-ranap.la
 
-hnb_test_SOURCES = $(HNBAP_FILES) $(RUA_FILES) hnb-test.c rua_helper.c test_common.c
+hnb_test_SOURCES = $(HNBAP_FILES) $(RUA_FILES) hnb-test.c test_common.c
 hnb_test_LDADD = $(COMMON_LIBS) $(top_builddir)/src/hnbap/libosmo-asn1-hnbap.a $(top_builddir)/src/rua/libosmo-asn1-rua.a $(top_builddir)/src/libosmo-ranap.la
 
 test_ranap_SOURCES = $(RANAP_FILES) test-ranap.c test_common.c
diff --git a/src/tests/hnb-test.c b/src/tests/hnb-test.c
index f26e222..b4a30f8 100644
--- a/src/tests/hnb-test.c
+++ b/src/tests/hnb-test.c
@@ -49,7 +49,7 @@
 #include "hnb-test.h"
 #include "hnbap_common.h"
 #include "hnbap_ies_defs.h"
-#include "rua_helper.h"
+#include "rua_msg_factory.h"
 #include "asn1helpers.h"
 #include "iu_helpers.h"
 #include "test_common.h"