A new debug flag is introduced: "DMNCC". MNCC is the Mobile Network Call
Control. This is required for later patches, that extract the call
control from gsm_04_08.c. (Andreas Eversberg)

diff --git a/src/debug.c b/src/debug.c
index cdf3d0f..10c4bb1 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -51,6 +51,7 @@
 	DEBUG_CATEGORY(DNM,   "DNM",  "\033[1;36m", "")
 	DEBUG_CATEGORY(DSMS,  "DSMS", "\033[1;37m", "")
 	DEBUG_CATEGORY(DPAG,  "DPAG", "\033[1;38m", "")
+	DEBUG_CATEGORY(DMNCC, "DMNCC","\033[1;39m", "")
 	DEBUG_CATEGORY(DINP,  "DINP", "", "")
 	DEBUG_CATEGORY(DMI,  "DMI", "", "")
 	DEBUG_CATEGORY(DMIB,  "DMIB", "", "")