misc: Add the libosmocore CFLAGS to the CPPFLAGS
libosmocore might not be in the standard include path,
add the CFLAGS to the preprocessor flags. This is fixing
the build on the Osmocom Jenkins.
diff --git a/src/Makefile.am b/src/Makefile.am
index 3a68927..e52a597 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -18,7 +18,7 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
-AM_CPPFLAGS = $(STD_DEFINES_AND_INCLUDES)
+AM_CPPFLAGS = $(STD_DEFINES_AND_INCLUDES) $(LIBOSMOCORE_CFLAGS) $(LIBOSMOGB_CFLAGS) $(LIBOSMOGSM_CFLAGS)
AM_CXXFLAGS = -Wall -ldl -pthread
noinst_LTLIBRARIES = libgprs.la