glad: Re-generate files with glad 2.0.4

No change, just making explicit that we're up to date with upstream.

thirdparty/README.md

@@ -197,7 +197,7 @@ commits.
 ## glad
 
 - Upstream: https://github.com/Dav1dde/glad
-- Version: 2.0.2 (f237a2bfcec0d9b82b90ec9af4af265c40de7183, 2022)
+- Version: 2.0.4 (d08b1aa01f8fe57498f04d47b5fa8c48725be877, 2023)
 - License: CC0 1.0 and Apache 2.0
 
 Files extracted from upstream source:
@@ -210,6 +210,9 @@ Files generated from [upstream web instance](https://gen.glad.sh/):
 - `glx.c`
 - `glad/glx.h`
 
+See the permalinks in `glad/gl.h` and `glad/glx.h` to regenrate the files with
+a new version of the web instance.
+
 
 ## glslang
 

thirdparty/glad/glad/gl.h

@@ -1,5 +1,5 @@
 /**
- * Loader generated by glad 2.0.4 on Sat Apr 29 13:24:27 2023
+ * Loader generated by glad 2.0.4 on Mon May 22 13:18:29 2023
  *
  * SPDX-License-Identifier: (WTFPL OR CC0-1.0) AND Apache-2.0
  *

thirdparty/glad/glad/glx.h

@@ -1,5 +1,5 @@
 /**
- * Loader generated by glad 2.0.2 on Tue Nov 15 09:49:49 2022
+ * Loader generated by glad 2.0.4 on Mon May 22 13:18:29 2023
  *
  * SPDX-License-Identifier: (WTFPL OR CC0-1.0) AND Apache-2.0
  *
@@ -152,7 +152,7 @@ extern "C" {
 #define GLAD_VERSION_MAJOR(version) (version / 10000)
 #define GLAD_VERSION_MINOR(version) (version % 10000)
 
-#define GLAD_GENERATOR_VERSION "2.0.2"
+#define GLAD_GENERATOR_VERSION "2.0.4"
 
 typedef void (*GLADapiproc)(void);
 
@@ -318,6 +318,7 @@ typedef unsigned __int64 uint64_t;
 
 
 
+
 #if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && (__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ > 1060)
 
 #else