libc: add swapon and swapoff syscalls

Change-Id: Ie79dc8e3f2ff1cd427dd6d95e3850920c4b407b0
Signed-off-by: Rom Lemarchand <romlem@google.com>
diff --git a/libc/arch-mips/syscalls.mk b/libc/arch-mips/syscalls.mk
index d3096bc..23393a2 100644
--- a/libc/arch-mips/syscalls.mk
+++ b/libc/arch-mips/syscalls.mk
@@ -129,6 +129,8 @@
 syscall_src += arch-mips/syscalls/lremovexattr.S
 syscall_src += arch-mips/syscalls/__statfs64.S
 syscall_src += arch-mips/syscalls/unshare.S
+syscall_src += arch-mips/syscalls/swapon.S
+syscall_src += arch-mips/syscalls/swapoff.S
 syscall_src += arch-mips/syscalls/pause.S
 syscall_src += arch-mips/syscalls/gettimeofday.S
 syscall_src += arch-mips/syscalls/settimeofday.S