[fusl] Update fusl

fusl/src/internal/syscall.h

 #ifndef _INTERNAL_SYSCALL_H
 #define _INTERNAL_SYSCALL_H
 
 #include <sys/syscall.h>
 #include "syscall_arch.h"
 
 #ifndef SYSCALL_RLIM_INFINITY
 #define SYSCALL_RLIM_INFINITY (~0ULL)
 #endif
 
@@ skipping 45 matching lines @@
 #define __syscall_cp1(n,a) (__syscall_cp)(n,__scc(a),0,0,0,0,0)
 #define __syscall_cp2(n,a,b) (__syscall_cp)(n,__scc(a),__scc(b),0,0,0,0)
 #define __syscall_cp3(n,a,b,c) (__syscall_cp)(n,__scc(a),__scc(b),__scc(c),0,0,0)
 #define __syscall_cp4(n,a,b,c,d) (__syscall_cp)(n,__scc(a),__scc(b),__scc(c),__scc(d),0,0)
 #define __syscall_cp5(n,a,b,c,d,e) (__syscall_cp)(n,__scc(a),__scc(b),__scc(c),__scc(d),__scc(e),0)
 #define __syscall_cp6(n,a,b,c,d,e,f) (__syscall_cp)(n,__scc(a),__scc(b),__scc(c),__scc(d),__scc(e),__scc(f))
 
 #define __syscall_cp(...) __SYSCALL_DISP(__syscall_cp,__VA_ARGS__)
 #define syscall_cp(...) __syscall_ret(__syscall_cp(__VA_ARGS__))
 
-#ifdef SYS_socket
+#ifndef SYSCALL_USE_SOCKETCALL
 #define __socketcall(nm,a,b,c,d,e,f) syscall(SYS_##nm, a, b, c, d, e, f)
 #define __socketcall_cp(nm,a,b,c,d,e,f) syscall_cp(SYS_##nm, a, b, c, d, e, f)
 #else
 #define __socketcall(nm,a,b,c,d,e,f) syscall(SYS_socketcall, __SC_##nm, \
     ((long [6]){ (long)a, (long)b, (long)c, (long)d, (long)e, (long)f }))
 #define __socketcall_cp(nm,a,b,c,d,e,f) syscall_cp(SYS_socketcall, __SC_##nm, \
     ((long [6]){ (long)a, (long)b, (long)c, (long)d, (long)e, (long)f }))
 #endif
 
 /* fixup legacy 16-bit junk */
@@ skipping 157 matching lines @@
 #define __sys_open_cp3(x,pn,fl,mo) __syscall_cp4(SYS_openat, AT_FDCWD, pn, (fl)|O_LARGEFILE, mo)
 #endif
 
 #define __sys_open(...) __SYSCALL_DISP(__sys_open,,__VA_ARGS__)
 #define sys_open(...) __syscall_ret(__sys_open(__VA_ARGS__))
 
 #define __sys_open_cp(...) __SYSCALL_DISP(__sys_open_cp,,__VA_ARGS__)
 #define sys_open_cp(...) __syscall_ret(__sys_open_cp(__VA_ARGS__))
 
 #endif