next_reneighbor must be initialized in setup_pre_exchange()

src/MISC/fix_deposit.cpp

@@ -292,6 +292,13 @@ void FixDeposit::init()
   }
 }
 
+/* ---------------------------------------------------------------------- */
+
+void FixDeposit::setup_pre_exchange()
+{
+  next_reneighbor = update->ntimestep+1;
+}
+
 /* ----------------------------------------------------------------------
    perform particle insertion
 ------------------------------------------------------------------------- */