message: Add quotes to remove lines
diff: @@ -231,10 +231,10 @@ clean-program:
  ifndef STANPROG
  $(error STANPROG not set)
  endif
  - $(RM) $(wildcard $(patsubst %.stan,%.d,$(basename ${STANPROG}).stan))
  - $(RM) $(wildcard $(patsubst %.stan,%.hpp,$(basename ${STANPROG}).stan))
  - $(RM) $(wildcard $(patsubst %.stan,%.o,$(basename ${STANPROG}).stan))
  - $(RM) $(wildcard $(patsubst %.stan,%$(EXE),$(basename ${STANPROG}).stan))
  + $(RM) "$(wildcard $(patsubst %.stan,%.d,$(basename ${STANPROG}).stan))"
  + $(RM) "$(wildcard $(patsubst %.stan,%.hpp,$(basename ${STANPROG}).stan))"
  + $(RM) "$(wildcard $(patsubst %.stan,%.o,$(basename ${STANPROG}).stan))"
  + $(RM) "$(wildcard $(patsubst %.stan,%$(EXE),$(basename ${STANPROG}).stan))"
  ##
  # Submodule related tasks
  