fixed case in makefile
fixed case in makefile

git-svn-id: https://wind-dev2.nrel.gov/svn/MAP/trunk@57 fdd34a08-49f5-8b44-97a8-af423440cb8e

Former-commit-id: 163c2fecbd9eb99fdfe2a5855d6b9d580a79f29b
OpenFAST/OpenFAST,OpenFAST/OpenFAST,OpenFAST/OpenFAST