[offlineimap] Fix git-am to terminate sanely if there's no patches

[Adam Jackson]

commit b2b12cae18601a1a386bffe931debf963633ed96
Author: Adam Jackson <ajax at redhat.com>
Date:   Wed Feb 22 13:15:03 2012 -0500

    Fix git-am to terminate sanely if there's no patches

 offlineimap.spec |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/offlineimap.spec b/offlineimap.spec
index a47bb7f..2221733 100644
--- a/offlineimap.spec
+++ b/offlineimap.spec
@@ -41,7 +41,7 @@ git config user.name "Offlineimap Maintainer"
 git add .
 git commit -a -q -m "%{version} baseline."
 # Apply all the patches on top.
-git am %{patches}
+git am %{patches} < /dev/null
 
 %build
 make build