qxl: cleanup s/__FUNCTION__/__func__/

Signed-off-by: Alon Levy <alevy@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

hw/qxl.c

diff --git a/hw/qxl.c b/hw/qxl.c
index 44a4c9b..6e7232c 100644
--- a/hw/qxl.c
+++ b/hw/qxl.c
@@ -1503,7 +1503,7 @@
         qxl_update_irq(d);
     } else {
         if (write(d->pipe[1], d, 1) != 1) {
-            dprint(d, 1, "%s: write to pipe failed\n", __FUNCTION__);
+            dprint(d, 1, "%s: write to pipe failed\n", __func__);
         }
     }
 }