UBIFS: fix ubifs_compress commentary
UBIFS: fix ubifs_compress commentary

Update the comment for ubifs_compress(), which incorrectly states that it
returnsa success/failure indicator.

Signed-off-by: Geert Uytterhoeven <205f5bcb2ea42515c4425a82ddba45c7ca0f2905@sonycom.com>
Signed-off-by: Artem Bityutskiy <19b5733dcea388885746d36043d3568bba5b4df7@nokia.com>

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