[PATCH] Buglets fix in the new two scripts

Should be obvious...

 - Use $VISUAL, $EDITOR, in this order if set, and fall back on
   vi.

 - Status R, C, D, N usually are followed by number, so adjust
   case arms to that pattern.

Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

git-commit-script

@@ -5,9 +5,7 @@ then
 	cat .editmsg
 	exit 1
 fi
-ED=${VISUAL:$EDITOR}
-ED=${ED:vi}
-$ED .editmsg
+${VISUAL:-${EDITOR:-vi}} .editmsg
 grep -v '^#' < .editmsg | git-stripspace > .cmitmsg
 [ -s .cmitmsg ] || exit 1
 tree=$(git-write-tree) || exit 1