Fix nullpointer when recovery.fstab does not define a "misc" partition
Fix nullpointer when recovery.fstab does not define a "misc" partition

Change-Id: I57437e3c637a1c619d254a3fc025db19ffe53c10

76Demented/bootable_recovery-,kylinmoddev/android_bootable_recovery,randomblame/bootable_recovery,DerTeufel/dualboot_recovery,randomblame/bootable_recovery,Plain-Andy/android_platform_bootable_recovery,InsomniaAOSP/platform_bootable_recovery,Plain-Andy/android_platform_bootable_recovery,DerTeufel/dualboot_recovery,kylinmoddev/android_bootable_recovery,DerTeufel/dualboot_recovery,76Demented/bootable_recovery-,DerTeufel/dualboot_recovery,76Demented/bootable_recovery-,randomblame/bootable_recovery,InsomniaAOSP/platform_bootable_recovery,InsomniaAOSP/platform_bootable_recovery,76Demented/bootable_recovery-,Plain-Andy/android_platform_bootable_recovery,DerTeufel/dualboot_recovery,randomblame/bootable_recovery,InsomniaAOSP/platform_bootable_recovery,Plain-Andy/android_platform_bootable_recovery,randomblame/bootable_recovery,76Demented/bootable_recovery-,kylinmoddev/android_bootable_recovery,kylinmoddev/android_bootable_recovery,InsomniaAOSP/platform_bootable_recovery