dlx: init: Fix /sdcard/ not getting mounted

Sadly, I managed to not test whether or the contents of /sdcard/
exited when testing the last fstab commit.

This commit fixes that major derp.

Change-Id: I53020ca67a4fc5c5d26a8e0d2315955088a6269e
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_device_htc_dlx into kk_mkt