staging: zsmalloc: Rename page_mapcount_reset

The page_mapcount_reset function was renamed from
reset_page_mapcount when back-porting zsmalloc from 3.10 kernel.
Revert this change to enable compilation of zsmalloc.

Change-Id: Iba09fc3f0294dae746d2e2b026e0015711c22f01
Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>
1 file changed