Patch generated hdf5 config for MinGW #136

Job	Run time
html_documentation_checks	25s
syntax_checks	6s
build_cmake_macos-clang	1m 38s
build_cmake_linux-gcc	1m 43s
build_cmake_windows-mingw	1m 51s
deprecation_checks	12s
build_cmake_windows-msvc	4m 13s
build_cmake_windows-cygwin (Debug)	5m 22s
	15m 30s

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