securityfs: fix long-broken securityfs_create_file comment
securityfs: fix long-broken securityfs_create_file comment

If there is an error creating a file through securityfs_create_file,
NULL is not returned, rather the error is propagated.

Signed-off-by: Serge E. Hallyn <dd6cacb2d07f0aa354aa6e74c149a3580e5a1db1@us.ibm.com>
Signed-off-by: James Morris <10d11de3abc355eabe955bb734f0f8e71da56e16@namei.org>

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