[PATCH] scripts/checkpatch.pl: fix false warning of externs checking.

[Jiang Biao]

When adding a function declaration in a .c file without an extern
keywork decoration, checkpatch.pl will complain *externs should be
avoided in .c files* false warning. This patch fix the bug.

Signed-off-by: Jiang Biao <jiang.biao2@xxxxxxxxxx>
---
 scripts/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index dd2c262..170daf1 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5927,7 +5927,7 @@ sub process {
 
 # check for new externs in .c files.
 		if ($realfile =~ /\.c$/ && defined $stat &&
-		    $stat =~ /^.\s*(?:extern\s+)?$Type\s+($Ident)(\s*)\(/s)
+		    $stat =~ /^.\s*(?:extern\s+)$Type\s+($Ident)(\s*)\(/s)
 		{
 			my $function_name = $1;
 			my $paren_space = $2;
-- 
2.7.4