Fix for MinGW < 7.0.0 #123

Job	Run time
MSIS code validation (ubuntu-latest)	6s
XML validation	13s
MSIS code validation (macos-latest)	8s
C/C++ build (MacOSX) (macos-12, 3.8)	4m 12s
C/C++ build (MinGW) (ON)	2m 46s
C/C++ build (MacOSX) (macos-14, 3.10)	2m 7s
C/C++ build (MSVC) (ON)	5m 40s
C/C++ build (MinGW) (OFF)	2m 38s
C/C++ build (Linux) (ubuntu-22.04, ON, ON, OFF, ON)	3m 36s
C/C++ build (MSVC) (OFF)	4m 17s
C/C++ build (Linux) (ubuntu-22.04, ON, OFF, OFF, ON)	3m 40s
C/C++ build (Linux) (ubuntu-22.04, OFF, ON, OFF, ON)	3m 35s
C/C++ build (Linux) (ubuntu-22.04, OFF, OFF, OFF, ON)	4m 0s
C/C++ build (Linux) (ubuntu-20.04, OFF, OFF, ON, OFF)	5m 33s
Build Python Module from Source	0s
Code coverage	1m 49s
Build Python wheels	0s
Matlab S-Function	0s
Build Windows installer	0s
Deploy Stable Release	0s
Deploy Rolling Release	0s
Deploy Documentation	0s
	44m 20s

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