fixed crash when clearing a message in displaychannel and displayreplay

HISTORY

@@ -57,4 +57,5 @@ Version 0.0.3
 - added tokens {month}, {monthname} and {year} in displaymenutimers listitem and currentitem
 - added dedicated tokens for posters and banners in <srapercontent> in displaychannel and displayreplay
 - added Plugin Interface
+- fixed crash when clearing a message in displaychannel and displayreplay
 

views/displaychannelview.c

@@ -515,6 +515,7 @@ string cDisplayChannelView::GetChannelSep(const cChannel *channel, bool prev) {
 void cDisplayChannelView::DisplayMessage(eMessageType Type, const char *Text) {
     if (!Text) {
         ClearViewElement(veMessage);
+        return;
     }
     
     map < string, string > stringTokens;

views/displayreplayview.c

@@ -352,6 +352,7 @@ void cDisplayReplayView::DrawJump(const char *jump) {
 void cDisplayReplayView::DrawMessage(eMessageType type, const char *text) {
     if (!text) {
         ClearViewElement(veMessage);
+        return;
     }
     
     map < string, string > stringTokens;