clutter: Fix a couple introspection warnings

This includes not introspecting ClutterStageView things at all for now,
as they are only used by C code.

https://bugzilla.gnome.org/show_bug.cgi?id=774827

clutter/clutter/Makefile.am

@@ -112,7 +112,6 @@ source_h =					\
 	clutter-snap-constraint.h	\
 	clutter-stage.h 		\
 	clutter-stage-manager.h	\
-	clutter-stage-view.h		\
 	clutter-tap-action.h		\
 	clutter-test-utils.h		\
 	clutter-texture.h 		\
@@ -198,7 +197,6 @@ source_c = \
 	clutter-snap-constraint.c	\
 	clutter-stage.c		\
 	clutter-stage-manager.c	\
-	clutter-stage-view.c	\
 	clutter-stage-window.c	\
 	clutter-tap-action.c		\
 	clutter-test-utils.c		\
@@ -240,6 +238,7 @@ source_h_priv = \
 	clutter-settings-private.h		\
 	clutter-stage-manager-private.h		\
 	clutter-stage-private.h			\
+	clutter-stage-view.h			\
 	clutter-stage-window.h			\
 	$(NULL)
 
@@ -248,6 +247,7 @@ source_c_priv = \
 	clutter-easing.c		\
 	clutter-event-translator.c	\
 	clutter-id-pool.c 		\
+	clutter-stage-view.c		\
 	$(NULL)
 
 # deprecated installed headers

clutter/clutter/clutter-device-manager.h

@@ -83,7 +83,7 @@ struct _ClutterDeviceManagerClass
                                            ClutterInputDevice     *device);
   void                (* select_stage_events) (ClutterDeviceManager *manager,
                                                ClutterStage       *stage);
-  ClutterVirtualInputDevice *(* create_virtual_device) (ClutterDeviceManager  *manager,
+  ClutterVirtualInputDevice *(* create_virtual_device) (ClutterDeviceManager  *device_manager,
                                                         ClutterInputDeviceType device_type);
   void                (* compress_motion) (ClutterDeviceManager *device_manger,
                                            ClutterEvent         *event,