message: Update Migration_Guide.md
diff: @@ -172,16 +172,11 @@ void main()
  return;
  }
  - object o = CreateObject(OBJECT_TYPE_CREATURE, "nw_chicken", GetStartingLocation());
  - if (!GetIsObjectValid(o))
  - {
  - WriteTimestampedLogEntry("No chicken for you");
  - NWNX_SQL_ExecuteQuery("drop table sql_test");
  - return;
  - }
  -
  b = NWNX_SQL_PrepareQuery(sInsert);
  - report("Complex PrepareQuery", b);
  + if (!b) {
  + WriteTimestampedLogEntry("Object insert failed.");
  + // cleanup if necessary.
  + }
  ...
  // etc., etc.
  