Various: Fix coverity reported issues.

src/server/game/Scripting/ScriptMgr.cpp

@@ -1642,6 +1642,8 @@ bool ScriptMgr::CanSpawn(ObjectGuid::LowType spawnId, uint32 entry, CreatureTemp
     ASSERT(actTemplate);
 
     CreatureTemplate const* baseTemplate = sObjectMgr->GetCreatureTemplate(entry);
+    if (!baseTemplate)
+        baseTemplate = actTemplate;
     GET_SCRIPT_RET(CreatureScript, baseTemplate->ScriptID, tmpscript, true);
     return tmpscript->CanSpawn(spawnId, entry, baseTemplate, actTemplate, cData, map);
 }