vim syntax: follow recent changes to commit template
vim syntax: follow recent changes to commit template

This patch changes the syntax highlighting to correctly match the new
text of the commit message introduced by
  82dca84871637ac9812c0dec27f56d07cfba524c

Signed-off-by: Jeff King <696e3fbcf235d40b6ea1ebd61c87cbea79d444e7@peff.net>
Signed-off-by: Junio C Hamano <dc50d1021234060e53ec42a77d526afa2fe07479@cox.net>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git