Fix gles2 conformance tests

gpu/gles2_conform_support/native/egl_native_linux.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
 #include <gdk/gdkx.h>
 #include <gtk/gtk.h>
 
 extern "C" {
 #if defined(GLES2_CONFORM_SUPPORT_ONLY)
 #include "gpu/gles2_conform_support/gtf/gtf_stubs.h"
 #else
 #include "third_party/gles2_conform/GTF_ES/glsl/GTF/Source/eglNative.h"
 #endif
-}
 
 
 GTFbool GTFNativeCreateDisplay(EGLNativeDisplayType *pNativeDisplay) {
   int argc = 0;
   char **argv = NULL;
   gtk_init(&argc, &argv);
   *pNativeDisplay = GDK_DISPLAY();;
   return *pNativeDisplay ? GTFtrue : GTFfalse;
 }
 
@@ skipping 85 matching lines @@
     return static_cast<EGLImageKHR>(NULL);
 }
 
 void GTFDestroyEGLImage(EGLImageKHR image) {
   PFNEGLDESTROYIMAGEKHRPROC egl_destroy_image_khr_;
   egl_destroy_image_khr_ = reinterpret_cast<PFNEGLDESTROYIMAGEKHRPROC>
                              (eglGetProcAddress("eglDestroyImageKHR"));
 
   egl_destroy_image_khr_(eglGetCurrentDisplay(), image);
 }
+
+}  // extern "C"
+