Git 2.2.0-rc1

Signed-off-by: Junio C Hamano <gitster@pobox.com>

GIT-VERSION-GEN

diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index 2b2d797..7db860f 100755
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v2.2.0-rc0
+DEF_VER=v2.2.0-rc1
 
 LF='
 '