[Kst] kst_0_99_branch: kdeextragear-2/kst/kst

[George Staikos]

CVS commit by staikos: 

backport: crash fix for 87384


  M +3 -0      kstplotdialog_i.cpp   1.76.2.1


--- kdeextragear-2/kst/kst/kstplotdialog_i.cpp  #1.76:1.76.2.1
@@ -524,4 +524,7 @@ void KstPlotDialogI::new_I() {
   if (!c) {
     QString name = KstApp::inst()->newWindow();
+    if (name.isEmpty()) {
+      return;
+    }
     c = KstApp::inst()->findWindow(name);
     _window->insertItem(name);