pgsql: Fix freenig of names in Kerberos when using MIT - need to use the

Log Message:
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Fix freenig of names in Kerberos when using MIT - need to use the
free function provided in the Kerberos library.
This fixes a very hard to track down heap corruption on windows
when using debug runtimes.

Tags:
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REL8_2_STABLE

Modified Files:
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pgsql:
configure (r1.523.2.7 -> r1.523.2.8)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.diff?r1=1.523.2.7&r2=1.523.2.8)
configure.in (r1.490.2.7 -> r1.490.2.8)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.in.diff?r1=1.490.2.7&r2=1.490.2.8)
pgsql/src/include:
pg_config.h.in (r1.106 -> r1.106.2.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/pg_config.h.in.diff?r1=1.106&r2=1.106.2.1)
pgsql/src/interfaces/libpq:
fe-auth.c (r1.121 -> r1.121.2.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/libpq/fe-auth.c.diff?r1=1.121&r2=1.121.2.1)