[Midnightbsd-cvs] src: mport.delete.c: fix a few minor issues as seen with clang static

[laffer1 at midnightbsd.org]

Log Message:
-----------
fix a few minor issues as seen with clang static analyzer

Modified Files:
--------------
    src/libexec/mport.delete:
        mport.delete.c (r1.6 -> r1.7)
        (http://cvsweb.midnightbsd.org/src/libexec/mport.delete/mport.delete.c?r1=1.6&r2=1.7)