Implement clone() C library function properly.
Only provide an implementation for ARM at the moment, since
it requires specific assembly fragments (the standard syscall
stubs cannot be used because the child returns in a different
stack).
diff --git a/libc/arch-arm/syscalls.mk b/libc/arch-arm/syscalls.mk
index 706cb0c..5f416e8 100644
--- a/libc/arch-arm/syscalls.mk
+++ b/libc/arch-arm/syscalls.mk
@@ -4,7 +4,7 @@
syscall_src += arch-arm/syscalls/_exit_thread.S
syscall_src += arch-arm/syscalls/__fork.S
syscall_src += arch-arm/syscalls/waitid.S
-syscall_src += arch-arm/syscalls/__clone.S
+syscall_src += arch-arm/syscalls/__sys_clone.S
syscall_src += arch-arm/syscalls/execve.S
syscall_src += arch-arm/syscalls/setuid.S
syscall_src += arch-arm/syscalls/getuid.S