DRI2/GLX: use new swap event types

Use the new swap event type so we get valid SBC values.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/configure.ac b/configure.ac
index f19f647..dde13c9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -22,8 +22,8 @@
 LIBDRM_RADEON_REQUIRED=2.4.24
 LIBDRM_INTEL_REQUIRED=2.4.24
 LIBDRM_NOUVEAU_REQUIRED=0.6
-DRI2PROTO_REQUIRED=2.1
-GLPROTO_REQUIRED=1.4.11
+DRI2PROTO_REQUIRED=2.6
+GLPROTO_REQUIRED=1.4.14
 LIBDRM_XORG_REQUIRED=2.4.24
 LIBKMS_XORG_REQUIRED=1.0.0