Visual Studio solution: Minor tweaks #504

Job	Run time
build-all-debug-single	3m 22s
build-postlib-release	9m 53s
build-all-debug	5m 23s
build-drivers-release	4m 23s
build-test-uadriver-debug	2m 1s
rtest-module-drivers	2m 15s
rtest-modules-debug	5m 35s
build-fastfarm-release	11m 44s
build-openfast-release	4m 21s
build-interfaces-release	3m 54s
rtest-interfaces	3m 38s
rtest-OF-simulink	11m 41s
rtest-OF-5MW_Land_AeroMap	1m 18s
rtest-OF	7m 0s
rtest-OF-5MW_OC3Mnpl_DLL_WTurb_WavesIrr	1m 46s
rtest-OF-5MW_Land_BD_DLL_WTurb	2m 0s
rtest-OF-5MW_OC3Trpd_DLL_WSt_WavesReg	5m 53s
rtest-OF-5MW_OC4Jckt_DLL_WTurb_WavesIrr_MGrowth	58s
rtest-OF-5MW_OC4Semi_WSt_WavesWN	1m 38s
rtest-OF-linearization	3m 47s
rtest-FF	2m 22s
	1h 34m 52s

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