[Midnightbsd-cvs] src: Makefile: fix build with 5.3p1

[laffer1 at midnightbsd.org]

Log Message:
-----------
fix build with 5.3p1

Modified Files:
--------------
    src/secure/usr.bin/sftp:
        Makefile (r1.5 -> r1.6)
        (http://cvsweb.midnightbsd.org/src/secure/usr.bin/sftp/Makefile?r1=1.5&r2=1.6)