Revert "rm unused variables"
Revert "rm unused variables"

This reverts commit 07d2abee333a1e45dce705d880f3a8b02123f965.

# Conflicts:
#	modules-local/beamdyn/src/BeamDyn_Subs.f90

OpenFAST/OpenFAST,OpenFAST/OpenFAST,OpenFAST/OpenFAST