EGL_ANDROID_native_fence_sync: fix the version

Change-Id: Ib43b8fec8f37bb847d7bcdbf7607fd56f19a0563
diff --git a/opengl/specs/EGL_ANDROID_native_fence_sync.txt b/opengl/specs/EGL_ANDROID_native_fence_sync.txt
index bd1cdda..b05857c 100644
--- a/opengl/specs/EGL_ANDROID_native_fence_sync.txt
+++ b/opengl/specs/EGL_ANDROID_native_fence_sync.txt
@@ -20,7 +20,7 @@
 
 Version
 
-    Version 2, July 23, 2012
+    Version 3, September 4, 2012
 
 Number