[Midnightbsd-cvs] mports: Makefile: put up warning message about port builds

[laffer1 at midnightbsd.org]

Log Message:
-----------
put up warning message about port builds

Modified Files:
--------------
    mports/net/xmlrpc-c:
        Makefile (r1.15 -> r1.16)
        (http://cvsweb.midnightbsd.org/mports/net/xmlrpc-c/Makefile?r1=1.15&r2=1.16)