Added flags for Russia and Australia

Source/Core/DiscIO/Volume.h

@@ -47,6 +47,7 @@ public:
 		COUNTRY_SDK,
 		COUNTRY_UNKNOWN,
 		COUNTRY_GERMANY,
+		COUNTRY_AUSTRALIA,
 		NUMBER_OF_COUNTRIES
 	};
 

Source/Core/DiscIO/VolumeCommon.cpp

@@ -30,9 +30,11 @@ IVolume::ECountry CountrySwitch(u8 CountryCode)
 		case 'M': // Japanese import to PAL regions
 		case 'S': // Spanish-speaking regions
 		case 'P':
-		case 'U': // Australia
 			return IVolume::COUNTRY_EUROPE;
 
+		case 'U': // Australia
+			return IVolume::COUNTRY_AUSTRALIA;
+
 		case 'F':
 			return IVolume::COUNTRY_FRANCE;