gl: cocoa: fix formatting for function definition

This is a follow-up of 5d35e1fa15744b48c406fffa98695478fc8c9969
diff --git a/gst-libs/gst/gl/cocoa/gstglwindow_cocoa.m b/gst-libs/gst/gl/cocoa/gstglwindow_cocoa.m
index c29c97b..ab1d4e1 100644
--- a/gst-libs/gst/gl/cocoa/gstglwindow_cocoa.m
+++ b/gst-libs/gst/gl/cocoa/gstglwindow_cocoa.m
@@ -86,8 +86,8 @@
 static void gst_gl_window_cocoa_queue_resize (GstGLWindow * window);
 static void gst_gl_window_cocoa_send_message_async (GstGLWindow * window,
     GstGLWindowCB callback, gpointer data, GDestroyNotify destroy);
-static gboolean gst_gl_window_cocoa_set_render_rectangle (GstGLWindow *
-                                                          window, gint x, gint y, gint width, gint height);
+static gboolean gst_gl_window_cocoa_set_render_rectangle (GstGLWindow * window,
+    gint x, gint y, gint width, gint height);
 
 struct _GstGLWindowCocoaPrivate
 {