Correct frequency error in AeroDyn driver prescribed motions #3282

Job	Run time
build-all-debug-single	4m 4s
build-drivers-release	6m 57s
build-postlib-release	10m 41s
build-all-debug	6m 18s
build-test-uadriver-debug	2m 15s
rtest-modules-debug	10m 41s
rtest-module-drivers	4m 26s
build-openfast-release	4m 23s
build-interfaces-release	4m 25s
build-fastfarm-release	11m 2s
rtest-OF	13m 59s
rtest-OF-5MW_Land_AeroMap	1m 36s
rtest-OF-5MW_Land_BD_DLL_WTurb	2m 42s
rtest-OF-5MW_OC3Mnpl_DLL_WTurb_WavesIrr	2m 15s
rtest-OF-5MW_OC3Trpd_DLL_WSt_WavesReg	4m 47s
rtest-OF-5MW_OC4Jckt_DLL_WTurb_WavesIrr_MGrowth	2m 35s
rtest-OF-5MW_OC4Semi_WSt_WavesWN	1m 39s
rtest-OF-linearization	4m 23s
rtest-OF-simulink	11m 41s
rtest-interfaces	3m 51s
rtest-FF	2m 37s
	1h 57m 17s

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