CMake

fix for buffer size calculation in osce.c #77

Job	Run time
CMake MINGW	1m 6s
CMake/Android/So/ARMv8/Release	1m 1s
CMake/Android/So/X86/Release	15s
Test build with CMake 3.16.0	59s
CMake/Android/So/X64/Release	33s
CMake/Windows/Dll/X86/Release	1m 14s
CMake/Windows/Dll/X64/Release	1m 34s
CMake/Windows/Dll/ARMv8/Release	1m 43s
CMake/Linux/So/X64/Release	27s
CMake/MacOSX/So/X64/Release	37s
CMake/MacOSX/Framework/X64/Release	1m 18s
CMake/iOS/Dll/arm64/Release	31s
CMake/iOS/Framework/arm64/Release	32s
CMake/Windows/Lib/X86/Release	2m 47s
CMake/Windows/Lib/X64/Release	2m 32s
CMake/Windows/Lib/armv8/Release	1m 40s
CMake/Linux/Lib/X64/Release	1m 32s
CMake/MacOSX/Lib/X64/Release	1m 19s
CMake/iOS/Lib/arm64/Release	35s
CMake/Android/Lib/ARMv8/Release	32s
CMake/Android/Lib/X86/Release	26s
CMake/Android/Lib/X64/Release	21s
CMake/CustomModes/Linux/Lib/X64/Release	1m 6s
CMake/AssertionsFuzz/Windows/Lib/X64/Release	2m 16s
CMake/AssertionsFuzz/Linux/Lib/X64/Release	1m 1s
CMake/AssertionsFuzz/MacOSX/Lib/X64/Release	1m 34s
	29m 31s

Provide feedback