Fix recently-added bug numbers

* platform/gtk/Skipped:
* platform/qt/Skipped:
* platform/win/Skipped:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@72913 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/LayoutTests/platform/qt/Skipped b/LayoutTests/platform/qt/Skipped
index 5714008..b712840 100644
--- a/LayoutTests/platform/qt/Skipped
+++ b/LayoutTests/platform/qt/Skipped
@@ -686,7 +686,7 @@
 fast/dom/Window/timer-resume-on-navigation-back.html
 loader/go-back-to-different-window-size.html
 
-# Missing layoutTestController.findString() http://webkit.org/b/52036
+# Missing layoutTestController.findString() http://webkit.org/b/50236
 editing/text-iterator/findString.html
 
 # Missing layoutTestController.overridePreference()