Kernel+LibC: Pack SC_setsockopt_params struct tighter

Flagged by pvs-studio, ordering the members from largest to smallest
allows us to save a few bytes in the size of the struct.

Kernel/API/Syscall.h

@@ -300,10 +300,10 @@ struct SC_getsockopt_params {
 };
 
 struct SC_setsockopt_params {
+    const void* value;
     int sockfd;
     int level;
     int option;
-    const void* value;
     socklen_t value_size;
 };