[mutter] Fix gtk-doc build

[Giovanni Campagna <gcampagna src gnome org>]

commit 26c8086190d98a439f870d706cea7855f791026b
Author: Giovanni Campagna <scampa giovanni gmail com>
Date:   Thu Jan 1 21:30:59 2015 +0100

    Fix gtk-doc build
    
    Need to hide the login1 DBus wrappers from the docs, because
    they use symbols that don't start with meta_ so they're not
    exported from the library. And they're not public API anyway.

 doc/reference/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/doc/reference/Makefile.am b/doc/reference/Makefile.am
index b1587b0..d1aa30c 100644
--- a/doc/reference/Makefile.am
+++ b/doc/reference/Makefile.am
@@ -81,6 +81,7 @@ IGNORE_HFILES= \
        keybindings-private.h \
        meta-background-actor-private.h \
        meta-background-group-private.h \
+       meta-dbus-login1.h
        meta-module.h \
        meta-plugin-manager.h \
        meta-shadow-factory-private.h \