Codechange: rename ClearTypeInformation so it can be used for preparing for the next run

src/strings_internal.h

@@ -57,7 +57,7 @@ public:
 		}
 	}
 
-	void ClearTypeInformation();
+	void PrepareForNextRun();
 	void SetTypeOfNextParameter(WChar type) { this->next_type = type; }
 
 	int64 GetInt64();