mod_so can only be built statically. If the user wants modules to

be built as DSOs by default (eg. ./configure --enable-mods-shared=most)
then we must override the default, otherwise none of the modules will
end up being installed (even though they'll get built).


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/APACHE_2_0_BRANCH@99822 13f79535-47bb-0310-9956-ffa450edef68