Fix problem leaking temp files - Bug #: 45136 - r: bienvenu

mailnews/compose/src/nsMsgCompose.cpp

@@ -812,7 +812,9 @@ nsresult nsMsgCompose::CloseWindow()
         rv = aWindow->Destroy();              
     }
 
-	return rv;
+    // Need to relelase the mComposeObj...
+    mMsgSend = nsnull;
+  	return rv;
 }
 
 nsresult nsMsgCompose::ShowWindow(PRBool show)
@@ -1694,6 +1696,9 @@ nsresult nsMsgComposeSendListener::OnStopSending(const char *aMsgID, nsresult aS
 #endif
 			mComposeObj->NotifyStateListeners(nsMsgCompose::eSaveAndSendProcessDone);
 			mComposeObj->ShowWindow(PR_TRUE);
+
+      // Need to relelase the mComposeObj...
+      mComposeObj->mMsgSend = nsnull;
 		}
 	}
 
@@ -1748,6 +1753,9 @@ nsMsgComposeSendListener::OnStopCopy(nsresult aStatus)
 #endif
 			mComposeObj->NotifyStateListeners(nsMsgCompose::eSaveAndSendProcessDone);
 			mComposeObj->ShowWindow(PR_TRUE);
+
+      // Need to relelase the mComposeObj...
+      mComposeObj->mMsgSend = nsnull;
 		}
 	}