Elevate .text.syscall to .privileged

It turns out adding OpenBSD msyscall() origin verification broke the
--ftrace flag. The executable needs to issue raw syscalls while it's
rewriting itself. So they need to be in the same section, and that's
just plain simpler too.

libc/runtime/print.greg.c

@@ -48,7 +48,7 @@ static void __sys_print_nt(const void *data, size_t len) {
  * @param len can be computed w/ tinystrlen()
  * @clob nothing except flags
  */
-textsyscall void __print(const void *data, size_t len) {
+privileged noinline void __print(const void *data, size_t len) {
   int64_t ax, ordinal;
   if (WasImported(__imp_WriteFile)) {
     __sys_print_nt(data, len);