oap_test.c: rename to avoid clash with libosmocore oap_test.c

Rename to oap_client_test.c, which is also a more accurate name.

Related: OS#1592
Change-Id: I3ca333141a15940df07a1ae77a30bc54885db41f
diff --git a/openbsc/tests/oap/Makefile.am b/openbsc/tests/oap/Makefile.am
index c17abb5..df0a43f 100644
--- a/openbsc/tests/oap/Makefile.am
+++ b/openbsc/tests/oap/Makefile.am
@@ -11,22 +11,22 @@
 	$(NULL)
 
 EXTRA_DIST = \
-	oap_test.ok \
+	oap_client_test.ok \
 	$(NULL)
 
 if HAVE_LIBGTP
 if HAVE_LIBCARES
 noinst_PROGRAMS = \
-	oap_test \
+	oap_client_test \
 	$(NULL)
 endif
 endif
 
-oap_test_SOURCES = \
-	oap_test.c \
+oap_client_test_SOURCES = \
+	oap_client_test.c \
 	$(NULL)
 
-oap_test_LDADD = \
+oap_client_test_LDADD = \
 	$(top_builddir)/src/gprs/gprs_utils.o \
 	$(top_builddir)/src/libcommon/libcommon.a \
 	$(LIBOSMOCORE_LIBS) \