Quietly all 'getOlsen' synonym to getOlson to not break code

src/ezTime.cpp

@@ -834,9 +834,13 @@ String Timezone::getPosix() { return _posix; }
 	
 	String Timezone::getOlson() {
 		return _olson;
+	}
+
+	String Timezone::getOlsen() {
+		return _olson;
 	}	
 
-	
+
 	#if defined(EZTIME_CACHE_EEPROM) || defined(EZTIME_CACHE_NVS)
 	
 		#if defined(ESP32) || defined(ESP8266)

src/ezTime.h

@@ -244,6 +244,7 @@ class Timezone {
 		public:
 			bool setLocation(const String location = "GeoIP");
 			String getOlson();
+			String getOlsen();
 		#ifdef EZTIME_CACHE_EEPROM
 			public:
 				bool setCache(const int16_t address);