FS-8426 place freeswitch.pm into /usr/share/perl5

debian/freeswitch-mod-perl.install.tmpl

-debian/tmp/usr/perl/freeswitch.pm /usr/lib/perl5
-debian/tmp/usr/perl/freeswitch.so /usr/lib/perl5/auto/freeswitch
+debian/tmp/usr/perl/freeswitch.pm /usr/share/perl5
+debian/tmp/usr/perl/freeswitch.so /usr/share/perl5/auto/freeswitch