Fix the label of the altgr key on Romanian keyboard overlay.

BUG=chromium-os:19017
TEST=manual


Review URL: http://codereview.chromium.org/7623003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@96448 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/resources/keyboard_overlay_data.js

@@ -10316,7 +10316,7 @@ var keyboardOverlayData = {
         },
         "E0 38": {
           "format": "smaller",
-          "label": "alt"
+          "label": "alt gr"
         },
         "E0 48": {
           "label": "up"