Merge "Fix a trivial comment typo."

# TOPDIR is the normal variable you should use, because

# TOPDIR is the normal variable you should use, because

# if we are executing relative to the current directory

# if we are executing relative to the current directory

# it can be "", whereas TOP must be "." which causes

# it can be "", whereas TOP must be "." which causes

# pattern matching probles when make strips off the

# pattern matching problems when make strips off the

# trailing "./" from paths in various places.

# trailing "./" from paths in various places.

#ifeq ($(TOP),.)

#ifeq ($(TOP),.)

#TOPDIR :=

#TOPDIR :=