feature: MSYS2 support on src/makefile #1

Job	Run time
Test 5.4 from MSYS2 package mingw-w64-ucrt-x86_64-lua	2m 9s
Test 5.4 from MSYS2 package mingw-w64-x86_64-lua	2m 17s
Test 5.4 from MSYS2 package mingw-w64-i686-lua	2m 9s
Test 5.4 from MSYS2 package mingw-w64-clang-x86_64-lua	2m 15s
Test 5.4 from MSYS2 package mingw-w64-clang-i686-lua	2m 14s
Test 5.3 from MSYS2 package mingw-w64-ucrt-x86_64-lua53	2m 9s
Test 5.3 from MSYS2 package mingw-w64-x86_64-lua53	2m 7s
Test 5.3 from MSYS2 package mingw-w64-i686-lua53	2m 44s
Test 5.3 from MSYS2 package mingw-w64-clang-x86_64-lua53	2m 7s
Test 5.3 from MSYS2 package mingw-w64-clang-i686-lua53	2m 20s
Test 5.1 from MSYS2 package mingw-w64-ucrt-x86_64-lua51	2m 11s
Test 5.1 from MSYS2 package mingw-w64-x86_64-lua51	2m 20s
Test 5.1 from MSYS2 package mingw-w64-i686-lua51	2m 9s
Test 5.1 from MSYS2 package mingw-w64-clang-x86_64-lua51	3m 7s
Test 5.1 from MSYS2 package mingw-w64-clang-i686-lua51	2m 35s
Test 5.1 from MSYS2 package mingw-w64-ucrt-x86_64-luajit	2m 12s
Test 5.1 from MSYS2 package mingw-w64-x86_64-luajit	2m 5s
Test 5.1 from MSYS2 package mingw-w64-i686-luajit	2m 2s
Test 5.1 from MSYS2 package mingw-w64-clang-x86_64-luajit	2m 26s
Test 5.1 from MSYS2 package mingw-w64-clang-i686-luajit	2m 13s
	45m 51s

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