Minor fix: changed file identification in log (the THIS_FILE macro) from sip_regc.c to sip_reg.c

git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@1458 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjsip/src/pjsip-ua/sip_reg.c b/pjsip/src/pjsip-ua/sip_reg.c
index 41065aa..bbabf0c 100644
--- a/pjsip/src/pjsip-ua/sip_reg.c
+++ b/pjsip/src/pjsip-ua/sip_reg.c
@@ -36,7 +36,7 @@
 
 #define REFRESH_TIMER		1
 #define DELAY_BEFORE_REFRESH	5
-#define THIS_FILE		"sip_regc.c"
+#define THIS_FILE		"sip_reg.c"
 
 /* Outgoing transaction timeout when server sends 100 but never replies
  * with final response. Value is in MILISECONDS!