two fixes, one for mingw and the other for the rest #53

Job	Run time
lint	56s
Windows 32-bit	7m 33s
macOS universal	26m 10s
Windows 64-bit	5m 59s
macOS x64 legacy	4m 1s
Linux focal gcc7	1m 27s
Windows 64-bit MinGW	3m 19s
macOS x64 use system libraries	4m 21s
Linux focal gcc9 shared libscsynth	1m 35s
macOS x64 shared libscsynth	5m 38s
Linux jammy gcc10 use system libraries	1m 59s
Linux jammy gcc11	1m 35s
Linux jammy gcc12	1m 42s
Linux focal clang7	2m 10s
Linux focal clang11	1m 46s
Linux focal clang12	1m 41s
Linux jammy clang13	1m 51s
Linux jammy clang14	2m 15s
deploy ${{ matrix.artifact-suffix }} to s3	0s
deploy release	0s
test on ${{ matrix.name }}	0s
	1h 15m 58s

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