Change the conflicting macro name in preparation for zlib_inflate
hardware support.

Link: http://lkml.kernel.org/r/20200103223334.20669-3-zaslonko@linux.ibm.comSigned-off-by: NMikhail Zaslonko <zaslonko@linux.ibm.com>
Reviewed-by: NChristian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>