NTFS: Do not dereference pointer before checking for NULL.
NTFS: Do not dereference pointer before checking for NULL.

Found by Coverity software (http://scan.coverity.com).

Signed-off-by: Anton Altaparmakov <14deb5e5e417133e888bf47bb6a3555c9bb7d81c@tuxera.com>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs