comctl32/updown: Don't repaint when handling WM_STYLECHANGED.

dlls/comctl32/tests/misc.c

@@ -1110,7 +1110,7 @@ static void test_WM_STYLECHANGED(void)
         {TOOLTIPS_CLASSA, wm_stylechanged_seq},
         {TRACKBAR_CLASSA, wm_stylechanged_trackbar_seq, TRUE},
         {WC_TREEVIEWA, wm_stylechanged_seq},
-        {UPDOWN_CLASSA, wm_stylechanged_seq, TRUE},
+        {UPDOWN_CLASSA, wm_stylechanged_seq},
         {WC_SCROLLBARA, wm_stylechanged_seq},
     };
 

dlls/comctl32/updown.c

@@ -955,10 +955,8 @@ static LRESULT WINAPI UpDownWindowProc(HWND hwnd, UINT message, WPARAM wParam, L
 	    break;
 
         case WM_STYLECHANGED:
-            if (wParam == GWL_STYLE) {
+            if (wParam == GWL_STYLE)
                 infoPtr->dwStyle = ((LPSTYLESTRUCT)lParam)->styleNew;
-	        InvalidateRect (infoPtr->Self, NULL, FALSE);
-            }
             break;
 
         case WM_THEMECHANGED: