checkpatch: warn on space before semicolon

Make space before semicolon a warning instead of a --strict CHK test.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

scripts/checkpatch.pl

@@ -2522,7 +2522,7 @@ sub process {
 
 # check for whitespace before a non-naked semicolon
 		if ($line =~ /^\+.*\S\s+;/) {
-			CHK("SPACING",
+			WARN("SPACING",
 			     "space prohibited before semicolon\n" . $herecurr);
 		}