[Rend2] Fix glext header #274

Job	Run time
macOS x86_64 Debug (Non-Portable)	2m 33s
Windows x86 Debug (Non-Portable)	3m 12s
macOS x86_64 Release (Non-Portable)	4m 8s
Windows x86 Release (Portable)	2m 37s
macOS arm64 Debug (Non-Portable)	3m 54s
Windows x86 Release (Non-Portable)	3m 22s
macOS arm64 Release (Non-Portable)	2m 31s
Ubuntu x86 Debug (Non-Portable)	3m 19s
Windows x86_64 Debug (Non-Portable)	2m 59s
Ubuntu x86 Release (Non-Portable)	4m 28s
Windows x86_64 Release (Portable)	3m 25s
Ubuntu x86_64 Debug (Non-Portable)	2m 44s
Windows x86_64 Release (Non-Portable)	3m 14s
Ubuntu x86_64 Release (Non-Portable)	3m 46s
create-latest	0s
create-release	0s
	46m 12s

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