misc: kemi examples, add missing kemix module

change introduced at 01ac570c2fbda800d1e00cd50305739cf0596ebf

(cherry picked from commit e123971726a8d18627091870086ee7d244e9802f)

misc/examples/kemi/kamailio-basic-kemi.cfg

@@ -180,6 +180,7 @@ loadmodule "sanity.so"
 loadmodule "ctl.so"
 loadmodule "cfg_rpc.so"
 loadmodule "acc.so"
+loadmodule "kemix.so"
 
 #!ifdef WITH_AUTH
 loadmodule "auth.so"