icontheme: Clean up includes

gtk/gtkaboutdialog.c

@@ -61,6 +61,7 @@
 #include "gtkeventcontrollermotion.h"
 #include "gtkeventcontrollerkey.h"
 #include "gtkgestureclick.h"
+#include "gtkstylecontext.h"
 
 
 /**

gtk/gtkicontheme.h

@@ -22,10 +22,8 @@
 #error "Only <gtk/gtk.h> can be included directly."
 #endif
 
-#include <gdk-pixbuf/gdk-pixbuf.h>
 #include <gdk/gdk.h>
-#include <gtk/gtkstylecontext.h>
-#include <gsk/gsk.h>
+#include <gtk/gtkenums.h>
 
 G_BEGIN_DECLS
 

gtk/gtkplacessidebar.c

@@ -66,6 +66,7 @@
 #include "gtkdragicon.h"
 #include "gtkwidgetpaintable.h"
 #include "gtkselectionprivate.h"
+#include "gtkstylecontext.h"
 
 /*< private >
  * SECTION:gtkplacessidebar

gtk/gtktoolbutton.c

@@ -29,6 +29,7 @@
 #include "gtkicontheme.h"
 #include "gtkactionable.h"
 #include "gtkprivate.h"
+#include "gtkstylecontext.h"
 
 #include <string.h>