CMake

C90 fixes: Removing declarations after statement #721

Job	Run time
CMake MINGW	1m 21s
Test build with CMake 3.16.0	1m 19s
CMake/Android/So/ARMv8/Release	1m 13s
CMake/Android/So/X86/Release	22s
CMake/Android/So/X64/Release	18s
CMake/Windows/Dll/X86/Release	1m 18s
CMake/Windows/Dll/X64/Release	1m 47s
CMake/Windows/Dll/ARMv8/Release	1m 22s
CMake/Linux/So/X64/Release	41s
CMake/MacOSX/So/X64/Release	29s
CMake/MacOSX/Framework/X64/Release	1m 50s
CMake/iOS/Dll/arm64/Release	34s
CMake/iOS/Framework/arm64/Release	34s
CMake/Windows/Lib/X86/Release	1m 55s
CMake/Windows/Lib/X64/Release	2m 29s
CMake/Windows/Lib/armv8/Release	1m 45s
CMake/Linux/Lib/X64/Release	1m 4s
CMake/MacOSX/Lib/X64/Release	1m 26s
CMake/iOS/Lib/arm64/Release	37s
CMake/Android/Lib/ARMv8/Release	1m 1s
CMake/Android/Lib/X86/Release	39s
CMake/Android/Lib/X64/Release	23s
CMake/CustomModes/Linux/Lib/X64/Release	1m 13s
CMake/AssertionsFuzz/Windows/Lib/X64/Release	3m 17s
CMake/AssertionsFuzz/Linux/Lib/X64/Release	1m 48s
CMake/AssertionsFuzz/MacOSX/Lib/X64/Release	1m 31s
	32m 16s

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