Split gprs_sgsn.{c,h} -> {auth,mmctx,sgsn}.{c,h}
Some level of split already existed, like sgsn_auth.c, but headers were
entangled together.
Let's clearly separate application centric code (sgsn.c/h), auth related
code (auth.c/h) and mmctx related code (mmctx.c/h).
Change-Id: I048a082851c1275c959649942904205b02acce2a
diff --git a/src/sgsn/sgsn_cdr.c b/src/sgsn/sgsn_cdr.c
index db32644..1536c13 100644
--- a/src/sgsn/sgsn_cdr.c
+++ b/src/sgsn/sgsn_cdr.c
@@ -29,6 +29,7 @@
#include <osmocom/sgsn/vty.h>
#include <osmocom/sgsn/gtp_ggsn.h>
#include <osmocom/sgsn/pdpctx.h>
+#include <osmocom/sgsn/mmctx.h>
#include <gtp.h>
#include <pdp.h>