[PATCH/RFC] Restore line limit option in post-receive-email

The hooks.emailmaxlines config currently has no effect. Stop
prep_for_email from clobbering the already-initialized maxlines
variable in the contrib/hooks/post-receive-email example.

Signed-off-by: Cheng Leong <redacted>
---
 contrib/hooks/post-receive-email |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/contrib/hooks/post-receive-email b/contrib/hooks/post-receive-email
index ba077c1..ac2e0ed 100755
--- a/contrib/hooks/post-receive-email
+++ b/contrib/hooks/post-receive-email

@@ -85,7 +85,6 @@ prep_for_email()
 	oldrev=$(git rev-parse $1)
 	newrev=$(git rev-parse $2)
 	refname="$3"
-	maxlines=$4
 
 	# --- Interpret
 	# 0000->1234 (create)

-- 
1.7.7.1.msysgit.0