Add APN utility function to libosmogsm
The current functions are used to 'qualify' an APN from the
user-supplied APN name (name identifier) towards the fully-qualified
APN name which is used in the .grps DNS zone.
diff --git a/src/gsm/Makefile.am b/src/gsm/Makefile.am
index f119a74..d8aff4a 100644
--- a/src/gsm/Makefile.am
+++ b/src/gsm/Makefile.am
@@ -20,7 +20,7 @@
auth_core.c auth_comp128v1.c auth_comp128v23.c \
auth_milenage.c milenage/aes-encblock.c \
milenage/aes-internal.c milenage/aes-internal-enc.c \
- milenage/milenage.c gan.c ipa.c gsm0341.c
+ milenage/milenage.c gan.c ipa.c gsm0341.c apn.c
libosmogsm_la_LDFLAGS = $(LTLDFLAGS_OSMOGSM) -version-info $(LIBVERSION) -no-undefined
libosmogsm_la_LIBADD = $(top_builddir)/src/libosmocore.la