make obj failing for -current

[Chris Smith]

===> regress/gnu/egcs/gcc-builtins
/bin/sh: cd: /usr/src/regress/gnu/egcs/gcc-builtins - No such file or directory
*** Error 1 in regress/gnu/egcs (<bsd.subdir.mk>:48 'obj')
*** Error 1 in regress/gnu (<bsd.subdir.mk>:48 'obj')
*** Error 1 in regress (<bsd.subdir.mk>:48 'obj')
*** Error 1 in /usr/src (<bsd.subdir.mk>:48 'obj')