Adding back the simplenet magic check (it works fine for the case where there...

Adding back the simplenet magic check (it works fine for the case where there the modelnet and server LPs are on the same PE)

src/models/networks/model-net/simplenet-upd.c

@@ -228,7 +228,7 @@ static void sn_event(
     sn_message * m,
     tw_lp * lp)
 {
-    //assert(m->magic == sn_magic);
+    assert(m->magic == sn_magic);
 
     switch (m->event_type)
     {
@@ -250,7 +250,7 @@ static void sn_rev_event(
     sn_message * m,
     tw_lp * lp)
 {
-    //assert(m->magic == sn_magic);
+    assert(m->magic == sn_magic);
 
     switch (m->event_type)
     {