[mutter] build: Update src/Makefile.am

[Jeremy Bicha <jbicha src gnome org>]

commit 92a7690e198a22ea0a245cff340b8f3c97a5f186
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Wed Feb 15 12:17:34 2017 -0500

    build: Update src/Makefile.am
    
    https://bugzilla.gnome.org/show_bug.cgi?id=778699

 src/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 2e30596..6997151 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -111,7 +111,6 @@ libmutter_@LIBMUTTER_API_VERSION@_la_SOURCES =      \
        backends/meta-monitor-config-store.h    \
        backends/meta-monitor.c                 \
        backends/meta-monitor.h                 \
-       backends/meta-monitor-private.h         \
        backends/meta-monitor-manager.c         \
        meta/meta-monitor-manager.h             \
        backends/meta-monitor-manager-private.h \
@@ -233,6 +232,7 @@ libmutter_@LIBMUTTER_API_VERSION@_la_SOURCES =      \
        core/meta-gesture-tracker-private.h     \
        core/keybindings.c                      \
        core/keybindings-private.h              \
+       core/main-private.h                     \
        core/main.c                             \
        core/place.c                            \
        core/place.h                            \