Pin the commit for OpenGL-Registry (downloaded when building GLEW) (#958)

### Pin the commit for OpenGL-Registry (downloaded when building GLEW)

### Linked issues
n/a

### Summarize your change.

To fix this, `glew.cmake` will clone the `OpenGL-Registry` and checkout
the latest working commit before executing the `make` command. It will
prevent the build system of GLEW to checkout the master of
`OpenGL-Registry`, and it will continue as usual.

### Describe the reason for the change.
A recent changes in https://github.com/KhronosGroup/OpenGL-Registry
(KhronosGroup/OpenGL-Registry@d38ff69)
is causing C++ redefinition of typedef which causes a bunch of errors.

See an opened issue in GLEW repository:
nigels-com/glew#449

### Describe what you have tested and on which operating system.
CI

---------

Signed-off-by: Cédrik Fuoco <cedrik.fuoco@autodesk.com>

Author: cedrik-fuoco-adsk

cmake/dependencies/glew.cmake

@@ -52,6 +52,19 @@ EXTERNALPROJECT_ADD(
   URL_MD5 ${_download_hash}
   DOWNLOAD_NAME ${_target}_${_version}.zip
   DOWNLOAD_DIR ${RV_DEPS_DOWNLOAD_DIR}
+  # Patch to fix the build issue with OpenGL-Registry
+  # Pinning the OpenGL-Registry version to a specific commit
+  # https://github.com/nigels-com/glew/issues/449
+  # Also clone the required glfixes repository
+  PATCH_COMMAND 
+    cd auto && 
+    git clone https://github.com/KhronosGroup/OpenGL-Registry.git || true &&
+    cd OpenGL-Registry && 
+    git checkout a77f5b6ffd0b0b74904f755ae977fa278eac4e95 && 
+    cd .. && 
+    git clone --depth=1 --branch glew https://github.com/nigels-com/glfixes glfixes || true &&
+    touch OpenGL-Registry/.dummy &&
+    cd ..
   CONFIGURE_COMMAND cd auto && ${_make_command} && cd .. && ${_make_command}
   BUILD_COMMAND ${_make_command} -j${_cpu_count} GLEW_DEST=${_install_dir}
   INSTALL_COMMAND ${_make_command} install LIBDIR=${_lib_dir} GLEW_DEST=${_install_dir}