CMake

Update gurobi_c.h #101

Job	Run time
build-osx (macos-11, Release)	4m 50s
build-osx (macos-11, Debug)	4m 49s
build-dockcross (manylinux1-x64, Release)	1m 23s
build-osx (macos-m1, Release)	1m 47s
build-dockcross (manylinux1-x64, Debug)	1m 23s
build-osx (macos-m1, Debug)	1m 50s
build-dockcross (manylinux1-x86, Release)	40s
build-dockcross (manylinux1-x86, Debug)	41s
build-dockcross (manylinux2014-x64, Release)	1m 11s
build-dockcross (manylinux2014-x64, Debug)	1m 44s
build-dockcross (manylinux2014-x86, Release)	1m 13s
build-dockcross (manylinux2014-x86, Debug)	2m 2s
build-dockcross (manylinux2014-aarch64, Release)	2m 10s
build-dockcross (manylinux2014-aarch64, Debug)	4m 5s
build-dockcross (windows-shared-x64-posix, Release)	1m 19s
build-dockcross (windows-shared-x64-posix, Debug)	2m 3s
build-dockcross (linux-armv7-lts, Release)	1m 29s
build-dockcross (linux-armv7-lts, Debug)	1m 15s
	35m 54s

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