Regenerate headers for EGL_ANDROID_get_native_client_buffer

This was missing from https://github.com/KhronosGroup/EGL-Registry/pull/27,
@critsec said they had run make, but the resulting change wasn't included
in commit a9b3522c3b26600f0aaca489ac10d1f99c255f39 as merged.
diff --git a/api/EGL/egl.h b/api/EGL/egl.h
index 1a88cf5..b2c37d0 100644
--- a/api/EGL/egl.h
+++ b/api/EGL/egl.h
@@ -33,12 +33,12 @@
 ** used to make the header, and the header can be found at
 **   http://www.khronos.org/registry/egl
 **
-** Khronos $Git commit SHA1: 65416b63de $ on $Git commit date: 2017-10-03 14:37:16 -0700 $
+** Khronos $Git commit SHA1: 6480009b57 $ on $Git commit date: 2017-10-11 22:51:16 -0700 $
 */
 
 #include <EGL/eglplatform.h>
 
-/* Generated on date 20171004 */
+/* Generated on date 20171013 */
 
 /* Generated C header for:
  * API: egl
diff --git a/api/EGL/eglext.h b/api/EGL/eglext.h
index b1f7a90..6b1e289 100644
--- a/api/EGL/eglext.h
+++ b/api/EGL/eglext.h
@@ -33,12 +33,12 @@
 ** used to make the header, and the header can be found at
 **   http://www.khronos.org/registry/egl
 **
-** Khronos $Git commit SHA1: 65416b63de $ on $Git commit date: 2017-10-03 14:37:16 -0700 $
+** Khronos $Git commit SHA1: 6480009b57 $ on $Git commit date: 2017-10-11 22:51:16 -0700 $
 */
 
 #include <EGL/eglplatform.h>
 
-#define EGL_EGLEXT_VERSION 20171004
+#define EGL_EGLEXT_VERSION 20171013
 
 /* Generated C header for:
  * API: egl
@@ -527,6 +527,15 @@
 #endif
 #endif /* EGL_ANDROID_get_frame_timestamps */
 
+#ifndef EGL_ANDROID_get_native_client_buffer
+#define EGL_ANDROID_get_native_client_buffer 1
+struct AHardwareBuffer;
+typedef EGLClientBuffer (EGLAPIENTRYP PFNEGLGETNATIVECLIENTBUFFERANDROIDPROC) (const struct AHardwareBuffer *buffer);
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLClientBuffer EGLAPIENTRY eglGetNativeClientBufferANDROID (const struct AHardwareBuffer *buffer);
+#endif
+#endif /* EGL_ANDROID_get_native_client_buffer */
+
 #ifndef EGL_ANDROID_image_native_buffer
 #define EGL_ANDROID_image_native_buffer 1
 #define EGL_NATIVE_BUFFER_ANDROID         0x3140