Update POCO to 1.11.0

vendor/POCO/Foundation/include/Poco/PatternFormatter.h

@@ -45,6 +45,7 @@ class Foundation_API PatternFormatter: public Formatter
 	///   * %I - message thread identifier (numeric)
 	///   * %N - node or host name
 	///   * %U - message source file path (empty string if not set)
+	///	  * %O - message source file filename (empty string if not set)
 	///   * %u - message source line number (0 if not set)
 	///   * %w - message date/time abbreviated weekday (Mon, Tue, ...)
 	///   * %W - message date/time full weekday (Monday, Tuesday, ...)
@@ -143,6 +144,8 @@ private:
 
 	void parsePriorityNames();
 
+	static const std::string DEFAULT_PRIORITY_NAMES;
+
 	std::vector<PatternAction> _patternActions;
 	bool _localTime;
 	std::string _pattern;