cppcheck: can reduce the scope of these variables

cui/source/customize/cfg.cxx

@@ -5939,8 +5939,6 @@ SvxIconChangeDialog::SvxIconChangeDialog(
 BitmapEx SvxIconSelectorDialog::AutoScaleBitmap(BitmapEx & aBitmap, const long aStandardSize)
 {
     Point aEmptyPoint(0,0);
-    sal_Int32 imgNewWidth = 0;
-    sal_Int32 imgNewHeight = 0;
     double imgposX = 0;
     double imgposY = 0;
     BitmapEx  aRet = aBitmap;
@@ -5950,6 +5948,9 @@ BitmapEx SvxIconSelectorDialog::AutoScaleBitmap(BitmapEx & aBitmap, const long a
     Size aScaledSize;
     if (imgOldWidth >= aStandardSize || imgOldHeight >= aStandardSize)
     {
+        sal_Int32 imgNewWidth = 0;
+        sal_Int32 imgNewHeight = 0;
+
         if (imgOldWidth >= imgOldHeight)
         {
             imgNewWidth = aStandardSize;