repair undef None GLX wrapper, pass 0 instead of None to GLX functions

2 files changed, 3 insertions, 3 deletions

diff --git a/platform/default/headless_display.cpp b/platform/default/headless_display.cpp
index 409fcbf057..ada48b8648 100644
--- a/platform/default/headless_display.cpp
+++ b/platform/default/headless_display.cpp
@@ -48,7 +48,7 @@ HeadlessDisplay::HeadlessDisplay() {
     // We're creating a dummy pbuffer anyway that we're not using.
     static int pixelFormat[] = {
         GLX_DRAWABLE_TYPE, GLX_PBUFFER_BIT,
-        None
+        0
     };
 
     int configs = 0;
diff --git a/platform/default/headless_view.cpp b/platform/default/headless_view.cpp
index 687f3ecf7d..1f5a0ec987 100644
--- a/platform/default/headless_view.cpp
+++ b/platform/default/headless_view.cpp
@@ -107,7 +107,7 @@ GLXContext createCoreProfile(Display *dpy, GLXFBConfig fbconfig) {
         const int context_flags[] = {
             GLX_CONTEXT_MAJOR_VERSION_ARB, core_profile_versions[i].major,
             GLX_CONTEXT_MINOR_VERSION_ARB, core_profile_versions[i].minor,
-            None
+            0
         };
         ctx = glXCreateContextAttribsARB(dpy, fbconfig, 0, True, context_flags);
         if (context_creation_failed) {
@@ -172,7 +172,7 @@ void HeadlessView::createContext() {
     int pbuffer_attributes[] = {
         GLX_PBUFFER_WIDTH, 8,
         GLX_PBUFFER_HEIGHT, 8,
-        None
+        0
     };
     glx_pbuffer = glXCreatePbuffer(x_display, fb_configs[0], pbuffer_attributes);
 #endif