[7607] Improvements in support some generic achievement classes Author: VladimirMangos

* Implement support achievements with refAchievement field != 0, that have criterias stored in achievement refAchievement.
    * Implement support achievement complete req. with specific count of completed critirias.
    * Avoid full achievement list scan at search achievement associated with criteria.

--HG--
branch : trunk

src/game/SkillExtraItems.cpp

@@ -110,12 +110,12 @@ void LoadSkillExtraItemTable()
 
         delete result;
 
-        sLog.outString("");
+        sLog.outString();
         sLog.outString( ">> Loaded %u spell specialization definitions", count );
     }
     else
     {
-        sLog.outString("");
+        sLog.outString();
         sLog.outString( ">> Loaded 0 spell specialization definitions. DB table `skill_extra_item_template` is empty." );
     }
 }