[LyX/master] In aqua.bind replace an LFUN with one that exists

[Scott Kostyshak]

commit 27b8b068797573d3df9dfeeacc54ee70faefc2a8
Author: Scott Kostyshak <skost...@lyx.org>
Date:   Tue May 19 23:31:53 2015 -0400

    In aqua.bind replace an LFUN with one that exists
    
    'menu-separator-insert' does not exist.
    'specialchar-insert menu-separator' does exist.

diff --git a/lib/bind/aqua.bind b/lib/bind/aqua.bind
index 136bd4e..a026eb3 100644
--- a/lib/bind/aqua.bind
+++ b/lib/bind/aqua.bind
@@ -41,7 +41,7 @@ Format 2
 \bind "M-~S-i s q"             "self-insert \""
 # FIXME: find a binding for single quotes
 # \bind "M-~S-i s q"           "quote-insert single"
-\bind "M-~S-i s m"             "menu-separator-insert"
+\bind "M-~S-i s m"             "specialchar-insert menu-separator"
 
 \bind "M-~S-i h i"             "math-mode"
 \bind "M-~S-i h d"             "math-display"