checkpatch: suspect indent count condition lines correctly

Correct calculation of the number of lines of condition where we have
suspect indent.
Signed-off-by: NAndy Whitcroft <apw@shadowen.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

scripts/checkpatch.pl

@@ -1417,7 +1417,8 @@ sub process {
 			$s =~ s/\n./\n/gs;
 
 			# Find out how long the conditional actually is.
-			my $cond_lines = 0 + $c =~ /\n/gs;
+			my @newlines = ($c =~ /\n/gs);
+			my $cond_lines = 1 + $#newlines;
 
 			# We want to check the first line inside the block
 			# starting at the end of the conditional, so remove: