XChangeProperty() expects values of size 32 to be longs (see "man XChangeProperty").
Changed parameter types to long when calling XChangeProperty due to https://bugs.freedesktop.org/show_bug.cgi?id=16802

BUG=296940
R=tony@chromium.org,erg@chromium.org

Review URL: https://codereview.chromium.org/24281007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@226245 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 226245