[PATCH 0/1] MR7891: winewayland: Support building with older EGL headers.

[Alexandros Frantzis (＠afrantzis)]

Support building on systems with older EGL headers, which may not include
the EGL_EXT_present_opaque extension.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=57941

-- 

Note that this MR doesn't change the runtime requirement for EGL_EXT_present_opaque.

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/7891