[gtk+/xi2] GdkDeviceXI2: Use XIMaskIsSet() for button state mask as well.

[Carlos Garnacho <carlosg src gnome org>]

commit 5204b5ec246ab09905a8e68a2419dc409d167250
Author: Carlos Garnacho <carlos lanedo com>
Date:   Fri Oct 30 18:00:17 2009 +0100

    GdkDeviceXI2: Use XIMaskIsSet() for button state mask as well.
    
    Pointed out by Peter Hutterer.

 gdk/x11/gdkdevice-xi2.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/gdk/x11/gdkdevice-xi2.c b/gdk/x11/gdkdevice-xi2.c
index 1d5e84e..731c71f 100644
--- a/gdk/x11/gdkdevice-xi2.c
+++ b/gdk/x11/gdkdevice-xi2.c
@@ -22,7 +22,6 @@
 #include "gdkintl.h"
 #include "gdkx.h"
 
-#define BIT_IS_ON(ptr, bit) (((unsigned char *) (ptr))[(bit)>>3] & (1 << ((bit) & 7)))
 #define GDK_DEVICE_XI2_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDK_TYPE_DEVICE_XI2, GdkDeviceXI2Private))
 
 typedef struct GdkDeviceXI2Private GdkDeviceXI2Private;
@@ -532,7 +531,7 @@ gdk_device_xi2_translate_state (XIModifierState *mods_state,
 
       for (i = 0; i < len; i++)
         {
-          if (!BIT_IS_ON (buttons_state->mask, i))
+          if (!XIMaskIsSet (buttons_state->mask, i))
             continue;
 
           switch (i)