Using native zoom to compute size for width and height

When autoScale is int200 the size compute for width and height is not
scaled correctly during DPI change. Using native zoom instead of
corrected zoom fixes the issue.

Author: ShahzaibIbrahim

bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Control.java

@@ -618,8 +618,8 @@ public Point computeSize (int wHint, int hHint) {
 public Point computeSize (int wHint, int hHint, boolean changed){
 	checkWidget ();
 	int zoom = getZoom();
-	wHint = (wHint != SWT.DEFAULT ? DPIUtil.scaleUp(wHint, zoom) : wHint);
-	hHint = (hHint != SWT.DEFAULT ? DPIUtil.scaleUp(hHint, zoom) : hHint);
+	wHint = (wHint != SWT.DEFAULT ? DPIUtil.scaleUp(wHint, nativeZoom) : wHint);
+	hHint = (hHint != SWT.DEFAULT ? DPIUtil.scaleUp(hHint, nativeZoom) : hHint);
 	return DPIUtil.scaleDown(computeSizeInPixels(wHint, hHint, changed), zoom);
 }