GIT v1.5.0 preview

This is not yet -rc1 where all new topics closes, but I think it
is getting pretty closer.  I'd still want to merge updates to
fsck/prune to honor reflog entries before -rc1.

Signed-off-by: Junio C Hamano <junkio@cox.net>

GIT-VERSION-GEN

@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v1.4.4.GIT
+DEF_VER=v1.4.5-rc0.GIT
 
 LF='
 '