oops, commiting too fast, forgot to fix a small typo

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14246 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mgl/window.cpp

@@ -127,7 +127,7 @@ static void wxCaptureScreenshot(bool activeWindowOnly)
     }
     
     g_displayDC->savePNGFromDC(screenshot.mb_str(), 
-                               r.x, r. y, r.width, r.height);
+                               r.x, r. y, r.x+r.width, r.y+r.height);
     
     wxMessageBox(_("Screenshot captured: ") + wxString(screenshot));
 }