Syntax fix

Author: cactorium

src/unix/uclibc/mod.rs

@@ -790,8 +790,8 @@ pub const IP_TTL: ::c_int = 2;
 pub const IP_HDRINCL: ::c_int = 3;
 pub const IP_ADD_MEMBERSHIP: ::c_int = 35;
 pub const IP_DROP_MEMBERSHIP: ::c_int = 36;
-pub const IPV6_ADD_MEMBERSHIP ::c_int = 20;
-pub const IPV6_DROP_MEMBERSHIP ::c_int = 20;
+pub const IPV6_ADD_MEMBERSHIP: ::c_int = 20;
+pub const IPV6_DROP_MEMBERSHIP: ::c_int = 21;
 
 pub const IPV6_JOIN_GROUP: ::c_int = 20;
 pub const IPV6_LEAVE_GROUP: ::c_int = 21;