Fix startup errors with 1.7.1 client.

src/game/ScriptMgr.cpp

@@ -1255,6 +1255,18 @@ void ScriptMgr::LoadSpellScripts()
 {
     LoadScripts(sSpellScripts, "spell_scripts");
 
+    std::set<uint32> scriptSpells;
+    std::unique_ptr<QueryResult> result(WorldDatabase.Query("SELECT `entry` FROM `spell_template` WHERE 77 IN (`effect1`, `effect2`, `effect3`)"));
+    if (result)
+    {
+        do
+        {
+            Field* fields = result->Fetch();
+            uint32 spellId = fields[0].GetUInt32();
+            scriptSpells.insert(spellId);
+        } while (result->NextRow());
+    }
+
     // check ids
     for (ScriptMapMap::const_iterator itr = sSpellScripts.begin(); itr != sSpellScripts.end(); ++itr)
     {
@@ -1282,6 +1294,9 @@ void ScriptMgr::LoadSpellScripts()
             }
         }
 
+        if (scriptSpells.find(itr->first) != scriptSpells.cend())
+            found = true;
+
         if (!found)
             sLog.outErrorDb("Table `spell_scripts` has unsupported spell (Id: %u) without SPELL_EFFECT_SCRIPT_EFFECT (%u) spell effect", itr->first, SPELL_EFFECT_SCRIPT_EFFECT);
     }