(mail_gpg_sign_cookie): Rename to use _'s, not -'s.

diff --git a/Makefile.maint b/Makefile.maint
index e8691d3e4a4bc6b0d15fa9cb9be7b5ef3714d776..4c345efb40405206fda5b5c5102b3b1198a9cde0 100644 (file)
--- a/Makefile.maint
+++ b/Makefile.maint
@@ -239,7 +239,7 @@ signatures = $(distdir).tar.bz2.sig $(distdir).tar.gz.sig
        gpg --detach-sign $<
 
 # This is useful when sending via GNUS in Emacs.
-mail-gpg-sign-cookie ?= echo '<#secure method=pgpmime mode=sign>'
+mail_gpg_sign_cookie ?= echo '<#secure method=pgpmime mode=sign>'
 
 rel-files = $(xd-delta) $(distdir).tar.bz2 $(distdir).tar.gz
 announcement: NEWS ChangeLog $(rel-files) $(signatures)