Remove excess 'filepicker/' so new gnomestripe image overrides the winstripe one (part of bug 413471).

toolkit/themes/gnomestripe/global/jar.mn

@@ -23,7 +23,7 @@ classic.jar:
 +  skin/classic/global/printPreview.css
 +  skin/classic/global/printPageSetup.css
 +  skin/classic/global/preferences.css
-+  skin/classic/global/filepicker/Filepicker.png               (filepicker/Filepicker.png)
++  skin/classic/global/Filepicker.png                          (filepicker/Filepicker.png)
 +  skin/classic/global/icons/find.png                          (icons/find.png)
 +  skin/classic/global/icons/notfound.png                      (icons/notfound.png)
 +  skin/classic/global/icons/wrap.png                          (icons/wrap.png)