LibC: Add SOCK_RDM and SOCK_SEQPACKET to socket.h

Author: https://github.com/kennethmyhra
Commit: https://github.com/SerenityOS/serenity/commit/cb10c62327d
Pull-request: https://github.com/SerenityOS/serenity/pull/9347
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/linusg ✅

Kernel/API/POSIX/sys/socket.h

@@ -31,6 +31,8 @@ extern "C" {
 #define SOCK_STREAM 1
 #define SOCK_DGRAM 2
 #define SOCK_RAW 3
+#define SOCK_RDM 4
+#define SOCK_SEQPACKET 5
 #define SOCK_NONBLOCK 04000
 #define SOCK_CLOEXEC 02000000