[PATCH 1/6] Remove return undef from validate_patch

Returning undef is rarely the correct way to return a failure.
Replace it with return 0

Signed-off-by: Bill Pemberton <redacted>
---
 git-send-email.perl |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/git-send-email.perl b/git-send-email.perl
index cccbf45..4f62c59 100755
--- a/git-send-email.perl
+++ b/git-send-email.perl

@@ -1182,7 +1182,7 @@ sub validate_patch {
 			return "$.: patch contains a line longer than 998 characters";
 		}
 	}
-	return undef;
+	return 0;
 }
 
 sub file_has_nonascii {

-- 
1.6.0.6