Do not define a variable in the middle of a block of code.

coreapi/linphonecore.c

@@ -2117,8 +2117,9 @@ void linphone_core_iterate(LinphoneCore *lc){
 		if (call->state==LinphoneCallIncomingReceived){
 			ms_message("incoming call ringing for %i seconds",elapsed);
 			if (elapsed>lc->sip_conf.inc_timeout){
+				LinphoneReason decline_reason;
 				ms_message("incoming call timeout (%i)",lc->sip_conf.inc_timeout);
-				LinphoneReason decline_reason=lc->current_call ? LinphoneReasonBusy : LinphoneReasonDeclined;
+				decline_reason=lc->current_call ? LinphoneReasonBusy : LinphoneReasonDeclined;
 				call->log->status=LinphoneCallMissed;
 				call->reason=LinphoneReasonNotAnswered;
 				linphone_core_decline_call(lc,call,decline_reason);