Add WebKit version check to compat.h and use it in Preferences

midori/compat.h

@@ -56,6 +56,8 @@ gtk_tool_item_set_tooltip_text         (GtkToolItem*       toolitem,
 
 #ifndef WEBKIT_CHECK_VERSION
 
+#define WEBKIT_CHECK_VERSION(a,b,c) 0
+
 gfloat
 webkit_web_view_get_zoom_level         (WebKitWebView*     web_view);
 

midori/midori-preferences.c

@@ -16,6 +16,7 @@
 #endif
 
 #include "sokoke.h"
+#include "compat.h"
 
 #include <string.h>
 #include <glib/gi18n.h>

midori/midori-view.c

@@ -34,10 +34,6 @@
     #define D_(__domain, __message) __message
 #endif
 
-#ifndef WEBKIT_CHECK_VERSION
-    #define WEBKIT_CHECK_VERSION(a,b,c) 0
-#endif
-
 /* This is unstable API, so we need to declare it */
 gchar*
 webkit_web_view_get_selected_text (WebKitWebView* web_view);