UA driver bug fix: sim mod 2 #772

Job	Run time
build-all-debug-single	3m 26s
build-all-debug	5m 33s
build-drivers-release	4m 58s
build-postlib-release	10m 37s
build-test-uadriver-debug	1m 56s
rtest-module-drivers	2m 50s
rtest-modules-debug	5m 3s
build-openfast-release	5m 20s
build-interfaces-release	4m 20s
build-fastfarm-release	12m 52s
rtest-interfaces	4m 37s
rtest-OF-5MW_Land_AeroMap	1m 8s
rtest-OF	6m 57s
rtest-OF-5MW_OC3Mnpl_DLL_WTurb_WavesIrr	1m 34s
rtest-OF-5MW_Land_BD_DLL_WTurb	2m 3s
rtest-OF-5MW_OC3Trpd_DLL_WSt_WavesReg	4m 34s
rtest-OF-5MW_OC4Jckt_DLL_WTurb_WavesIrr_MGrowth	1m 3s
rtest-OF-5MW_OC4Semi_WSt_WavesWN	1m 21s
rtest-OF-linearization	2m 55s
rtest-OF-simulink	10m 27s
rtest-FF	2m 9s
	1h 35m 43s

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