Make GtkPathBar public

Moved its header file around in Makefile.am, and added it
to gtk.h.

gtk/Makefile.am

@@ -295,6 +295,7 @@ gtk_public_h_sources = 		\
 	gtkpagesetup.h		\
 	gtkpaned.h		\
 	gtkpapersize.h		\
+	gtkpathbar.h		\
 	gtkplacessidebar.h	\
 	gtkplug.h		\
 	gtkprintcontext.h	\
@@ -514,7 +515,6 @@ gtk_private_h_sources =		\
 	gtknumerableiconprivate.h \
 	gtkorientableprivate.h	\
 	gtkpango.h		\
-	gtkpathbar.h		\
 	gtkpressandholdprivate.h \
 	gtkprintoperation-private.h \
 	gtkprintutils.h		\

gtk/gtk.h

@@ -145,6 +145,7 @@
 #include <gtk/gtkpagesetup.h>
 #include <gtk/gtkpapersize.h>
 #include <gtk/gtkpaned.h>
+#include <gtk/gtkpathbar.h>
 #include <gtk/gtkplacessidebar.h>
 #include <gtk/gtkprintcontext.h>
 #include <gtk/gtkprintoperation.h>

gtk/gtkpathbar.h

@@ -18,8 +18,12 @@
 #ifndef __GTK_PATH_BAR_H__
 #define __GTK_PATH_BAR_H__
 
-#include "gtkcontainer.h"
-#include "gtkfilesystem.h"
+#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
+#error "Only <gtk/gtk.h> can be included directly."
+#endif
+
+#include <gtk/gtkcontainer.h>
+#include <gtk/gtkfilesystem.h>
 
 G_BEGIN_DECLS