scripts/checkpatch.pl: don't complain about (foo, /* empty */)

It's quite common to have a mini comment inside braces to acknowledge
we know it's empty. Expand the inline detection to allow closing
braces before the end of line.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Aaron Lindsay <aaron@os.amperecomputing.com>

scripts/checkpatch.pl

@@ -1639,7 +1639,7 @@ sub process {
 # Block comment styles
 
 		# Block comments use /* on a line of its own
-		if ($rawline !~ m@^\+.*/\*.*\*/[ \t]*$@ &&	#inline /*...*/
+		if ($rawline !~ m@^\+.*/\*.*\*/[ \t)}]*$@ &&	#inline /*...*/
 		    $rawline =~ m@^\+.*/\*\*?+[ \t]*[^ \t]@) { # /* or /** non-blank
 			WARN("Block comments use a leading /* on a separate line\n" . $herecurr);
 		}