[gtk+] docs: fix docs for GDK_XID_TO_POINTER and GDK_POINTER_TO_XID

[William Jon McCann <mccann src gnome org>]

commit ca61e63b2ca499f366edb5e9faef2c924d83a12e
Author: William Jon McCann <william jon mccann gmail com>
Date:   Mon Jan 20 15:41:31 2014 -0500

    docs: fix docs for GDK_XID_TO_POINTER and GDK_POINTER_TO_XID

 gdk/x11/gdkx11utils.h |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/gdk/x11/gdkx11utils.h b/gdk/x11/gdkx11utils.h
index 9fdeac6..573e2ec 100644
--- a/gdk/x11/gdkx11utils.h
+++ b/gdk/x11/gdkx11utils.h
@@ -54,15 +54,17 @@ Display *gdk_x11_get_default_xdisplay     (void);
 
 /**
  * GDK_XID_TO_POINTER:
+ * @xid: XID to stuff into the pointer
  *
  * Converts an XID into a @gpointer. This is useful with data structures
  * that use pointer arguments such as #GHashTable. Use GDK_POINTER_TO_XID()
  * to convert the argument back to an XID.
  */
-#define GDK_XID_TO_POINTER(pointer) GUINT_TO_POINTER(pointer)
+#define GDK_XID_TO_POINTER(xid) GUINT_TO_POINTER(xid)
 
 /**
  * GDK_POINTER_TO_XID:
+ * @pointer: pointer to extract an XID from
  *
  * Converts a @gpointer back to an XID that was previously converted
  * using GDK_XID_TO_POINTER().