corrects species code in WC_SDIMAX
corrects species code in WC_SDIMAX

Madrone was previously entered as MA, corrected to WA (species code
required by WC variant)

jgcobb3/growth-yield-batch,jgcobb3/growth-yield-batch,Ecotrust/growth-yield-batch,jgcobb3/growth-yield-batch,Ecotrust/growth-yield-batch,Ecotrust/growth-yield-batch,Ecotrust/growth-yield-batch,Ecotrust/growth-yield-batch,jgcobb3/growth-yield-batch,jgcobb3/growth-yield-batch,jgcobb3/growth-yield-batch,Ecotrust/growth-yield-batch