From Dušan Jocić: early out of treeview entries to prevent crashes

"when you change some item or remove, it does not resize the array and in that way it create problem with value"

Engine/source/gui/controls/guiTreeViewCtrl.cpp

@@ -4641,6 +4641,8 @@ S32 GuiTreeViewCtrl::findItemByValue(const char *name)
 {
    for (S32 i = 0; i < mItems.size(); i++) 
    {
+      if (!mItems[i])
+         continue;
 	   if( mItems[i]->mState.test( Item::InspectorData ) )
 		   continue;
 	   if (mItems[i] && dStrcmp(mItems[i]->getValue(),name) == 0)