checkpatch: remove unnecessary + after {8,8}

There's a useless "+" use that needs to be removed as perl 5.20 emits a
"Useless use of greediness modifier '+'" message each time it's hit.
Signed-off-by: NJoe Perches <joe@perches.com>
Reported-by: NGreg KH <gregkh@linuxfoundation.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

scripts/checkpatch.pl

@@ -2431,7 +2431,7 @@ sub process {
 				"please, no space before tabs\n" . $herevet) &&
 			    $fix) {
 				while ($fixed[$fixlinenr] =~
-					   s/(^\+.*) {8,8}+\t/$1\t\t/) {}
+					   s/(^\+.*) {8,8}\t/$1\t\t/) {}
 				while ($fixed[$fixlinenr] =~
 					   s/(^\+.*) +\t/$1\t/) {}
 			}