Fix segfault removing theme assets

Change-Id: I4827eb6e2b186547f1df6f9bbd048fb1e3a29890
Style previews [1/3]

Change-Id: Ifed0ef7829eb61492a39395e8140b99f01c5e6a3
Merge pull request #13 from CyanogenMod/cm-11.0

sync fork