Allow Common flags 0x94 and ignore them in PDP activation
extended from https://github.com/osmocom/openggsn/pull/2
Change-Id: I31b3e4b378e74bb5a0a2f54af6d2a15b629876cf
diff --git a/gtp/gtpie.h b/gtp/gtpie.h
index 754382e..8ea19ea 100644
--- a/gtp/gtpie.h
+++ b/gtp/gtpie.h
@@ -104,6 +104,7 @@
#define GTPIE_EXT_HEADER_T 141 /* Extension Header Type List */
#define GTPIE_TRIGGER_ID 142 /* Trigger Id */
#define GTPIE_OMC_ID 143 /* OMC Identity */
+#define GTPIE_COMMON_FLAGS 148 /* Common Flags */
#define GTPIE_RAT_TYPE 151 /* Radio Access Technology Type */
#define GTPIE_USER_LOC 152 /* User Location Information */
#define GTPIE_MS_TZ 153 /* MS Time Zone */