ensure the local asn1c library is used

Change-Id: Icc91c8f422965fec9c247aa9006e993c15f86d93
diff --git a/configure.ac b/configure.ac
index 4152a31..ed3540c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -36,7 +36,6 @@
 PKG_CHECK_MODULES(OSMOGSM, libosmogsm >= 0.11.0)
 PKG_CHECK_MODULES(OSMOABIS, libosmoabis)
 PKG_CHECK_MODULES(OSMOSIM, libosmosim)
-PKG_CHECK_MODULES(ASN1C, libasn1c >= 0.9.30)
 PKG_CHECK_MODULES(PCSC, libpcsclite)
 PKG_CHECK_MODULES(USB, libusb-1.0)
 
diff --git a/src/bankd_main.c b/src/bankd_main.c
index 08129cc..4ce4083 100644
--- a/src/bankd_main.c
+++ b/src/bankd_main.c
@@ -22,7 +22,7 @@
 #include <osmocom/gsm/ipa.h>
 #include <osmocom/gsm/protocol/ipaccess.h>
 
-#include <asn1c/asn_application.h>
+#include <asn_application.h>
 #include <osmocom/rspro/RsproPDU.h>
 
 #include "bankd.h"
diff --git a/src/rspro_util.c b/src/rspro_util.c
index 0562da9..95e8cfc 100644
--- a/src/rspro_util.c
+++ b/src/rspro_util.c
@@ -1,7 +1,7 @@
 
 
-#include <asn1c/asn_application.h>
-#include <asn1c/der_encoder.h>
+#include <asn_application.h>
+#include <der_encoder.h>
 
 #include <osmocom/core/msgb.h>
 #include <osmocom/rspro/RsproPDU.h>