statically compiling in the sudoers plugin but still allow other
plugins to be loaded. The new --enable-static-sudoers configure
option will cause the sudoers plugin to be compiled statically into
the sudo binary. This does not prevent other plugins from being
loaded as per sudo.conf.
0, it is not possible for the gssapi libs to find the user's krb5
credential cache file. To work around this, we make a temporary
copy of the user's credential cache specified by KRB5CCNAME (opened
with the user's effective uid) and point gssapi to it. To set the
credential cache file name, we dynamically look up gss_krb5_ccache_name()
and use it if available, otherwise fall back to setting KRB5CCNAME.
