Ticket #833:
 - Updated build config for VS6, Symbian, and Makefile for Session Timer.
 - Fixed C/C++ cross-linking problem on some compilers (e.g: Symbian GCCE).



git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@2861 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjsip/src/pjsip-ua/sip_inv.c b/pjsip/src/pjsip-ua/sip_inv.c
index 736c00c..53858dc 100644
--- a/pjsip/src/pjsip-ua/sip_inv.c
+++ b/pjsip/src/pjsip-ua/sip_inv.c
@@ -71,7 +71,7 @@
 };
 
 /* UPDATE method */
-const pjsip_method pjsip_update_method =
+static const pjsip_method pjsip_update_method =
 {
     PJSIP_OTHER_METHOD,
     { "UPDATE", 6 }