Prefer prefix ++/-- on non-primitive types

Postfix ++/-- might cause the creation of a tmp instance
that might be optimized out. Mights are bad. Prefix doesn't
have this problem.

zone/titles.cpp

@@ -165,7 +165,7 @@ std::string TitleManager::GetSuffix(int TitleID)
 		if((*Iterator).TitleID == TitleID)
 			return (*Iterator).Suffix;
 
-		Iterator++;
+		++Iterator;
 	}
 
 	return "";