Add Latvian (lv) translation

UI/SOGoUI/SOGoFolderAdvisory.h

@@ -119,6 +119,18 @@
 @interface SOGoFolderItalianRemovalAdvisory : SOGoFolderRemovalAdvisory
 @end
 
+@interface SOGoFolderLatvianAdditionAdvisory : SOGoFolderAdditionAdvisory
+@end
+
+@interface SOGoFolderLatvianRemovalAdvisory : SOGoFolderRemovalAdvisory
+@end
+
+@interface SOGoFolderLithuanianAdditionAdvisory : SOGoFolderAdditionAdvisory
+@end
+
+@interface SOGoFolderLithuanianRemovalAdvisory : SOGoFolderRemovalAdvisory
+@end
+
 @interface SOGoFolderNorwegianBokmalAdditionAdvisory : SOGoFolderAdditionAdvisory
 @end
 

UI/SOGoUI/SOGoFolderAdvisory.m

@@ -291,6 +291,18 @@
 @implementation SOGoFolderItalianRemovalAdvisory
 @end
 
+@implementation SOGoFolderLatvianAdditionAdvisory
+@end
+
+@implementation SOGoFolderLatvianRemovalAdvisory
+@end
+
+@implementation SOGoFolderLithuanianAdditionAdvisory
+@end
+
+@implementation SOGoFolderLithuanianRemovalAdvisory
+@end
+
 @implementation SOGoFolderNorwegianBokmalAdditionAdvisory
 @end