Fix pixmap handling in KMines

This resolves Bug 1416

kmines/frame.cpp

@@ -41,14 +41,12 @@ void FieldFrame::adjustSize()
 
     TQBitmap mask;
     for (uint i=0; i<Nb_Pixmap_Types; i++) {
-        TQPixmap mask_pm = mask;
-        drawPixmap(mask_pm, (PixmapType)i, true);
+        drawPixmap(mask, (PixmapType)i, true);
         drawPixmap(_pixmaps[i], (PixmapType)i, false);
         _pixmaps[i].setMask(mask);
     }
     for (uint i=0; i<Nb_Advised; i++) {
-        TQPixmap mask_pm = mask;
-        drawAdvised(mask_pm, i, true);
+        drawAdvised(mask, i, true);
         drawAdvised(_advised[i], i, false);
         _advised[i].setMask(mask);
     }