Index: vim/after/syntax/objc.vim
==================================================================
--- vim/after/syntax/objc.vim
+++ vim/after/syntax/objc.vim
@@ -10,11 +10,11 @@
 syn keyword objcType IBOutlet IBAction Method __block instancetype
 syn keyword objcType __unsafe_unretained __bridge __bridge_retained __bridge_transfer __autoreleasing __strong __weak
 syn keyword objcType of_unichar_t of_char16_t of_char32_t of_comparison_result_t
 syn keyword objcType of_byte_order_t of_range_t of_point_t of_dimension_t
 syn keyword objcType of_rectangle_t of_string_encoding_t of_time_interval_t
-syn keyword objcType of_resolver_result_t of_udp_socket_address_t
+syn keyword objcType of_resolver_result_t of_udp_socket_address_t of_offset_t
 syn keyword objcConstant YES NO TRUE FALSE
 
 syn region objcImp start='@implementation' end='@end' transparent
 syn region objcHeader start='@interface' end='@end' transparent