Gallery2: Fix show on map typo

Change-Id: I80cc825d3adf17fde9d245a71a4756f35bcd232f
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Merge branch 'cm-10.2' of github.com:CyanogenMod/android_packages_apps_Gallery2 into cm-10.2