Remove an unneeded test (.if defined(V)) in .for v in ${V} ... .endfor.

Tested by running build.sh distribution.

share/mk/bsd.subdir.mk

@@ -1,4 +1,4 @@
-#	$NetBSD: bsd.subdir.mk,v 1.49 2008/10/25 14:58:00 apb Exp $
+#	$NetBSD: bsd.subdir.mk,v 1.50 2009/11/29 16:00:00 uebayasi Exp $
 #	@(#)bsd.subdir.mk	8.1 (Berkeley) 6/8/93
 
 .include <bsd.init.mk>
@@ -35,10 +35,8 @@ ${targ}-${dir}: .PHONY .MAKE __recurse
 SUBDIR_${targ} += ${targ}-${dir}
 .endif
 .endfor
-.if defined(__REALSUBDIR)
 subdir-${targ}: .PHONY ${SUBDIR_${targ}}
 ${targ}: subdir-${targ}
-.endif
 .endfor
 
 .endif	# ! NOSUBDIR					# }