Prevent possible crash:

http://kdenlive.org/mantis/view.php?id=2544

diff --git a/src/scopes/scopemanager.cpp b/src/scopes/scopemanager.cpp
index f9e55c36a84a394494bf9de1b2166f970403a99c..a1fc1416a9be450b549cae162f0249d4a5e83632 100644 (file)
--- a/src/scopes/scopemanager.cpp
+++ b/src/scopes/scopemanager.cpp
@@ -178,7 +178,7 @@ void ScopeManager::slotRequestFrame(const QString widgetName)
             break;
         }
     }
-    m_lastConnectedRenderer->sendFrameUpdate();
+    if (m_lastConnectedRenderer) m_lastConnectedRenderer->sendFrameUpdate();
 }