lib/zlib_inflate/inftrees.c: fix potential buffer overflow

smatch says:

WARNING: please, no spaces at the start of a line
#30: FILE: lib/zlib_inflate/inftrees.c:112:
+ for (min = 1; min < MAXBITS; min++)$

total: 0 errors, 1 warnings, 8 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
mechanically convert to the typical style using --fix or --fix-inplace.

./patches/zlib-inflate-fix-potential-buffer-overflow.patch has style problems, please review.

NOTE: If any of the errors are false positives, please report
them to the maintainer, see CHECKPATCH in MAINTAINERS.

Please run checkpatch prior to sending patches

Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

lib/zlib_inflate/inftrees.c

···
         *bits = 1;
         return 0;     /* no symbols, but wait for decoding to report error */
     }
-    for (min = 1; min <= MAXBITS; min++)
+    for (min = 1; min < MAXBITS; min++)
         if (count[min] != 0) break;
     if (root < min) root = min;