Fix wxPropertyGrid::DoEndLabelEdit function, cont.

Explicit cell content handling for edited label is necessary only for column other then 0 because cell handling for label in column is 0 is done inside wxPGProperty::SetLabel() function.

src/propgrid/propgrid.cpp

@@ -1093,22 +1093,31 @@ void wxPropertyGrid::DoEndLabelEdit( bool commit, int selFlags )
         }
 
         wxString text = m_labelEditor->GetValue();
+
+        // Cell handling for label in column 0
+        // is done internally in SetLabel() function
+        if ( labelColIdx == 0 )
+        {
+            prop->SetLabel(text);
+        }
+        else
+        {
             wxPGCell* cell = NULL;
             if ( prop->HasCell(labelColIdx) )
             {
                 cell = &prop->GetCell(labelColIdx);
             }
-        else if ( labelColIdx != 0 )
+            else
             {
                 cell = &prop->GetOrCreateCell(labelColIdx);
             }
 
-       if ( labelColIdx == 0 )
-            prop->SetLabel(text);
-
             if ( cell && cell->HasText() )
+            {
                 cell->SetText(text);
             }
+        }
+    }
 
     m_selColumn = 1;
     int wasFocused = m_iFlags & wxPG_FL_FOCUSED;