Fix sigsuspend to use rt_sigsuspend on all platforms.

Change-Id: I981c1a66d35480d4457a0a08a1b042dac94daa5b
diff --git a/libc/arch-x86/syscalls.mk b/libc/arch-x86/syscalls.mk
index a704905..10970a6 100644
--- a/libc/arch-x86/syscalls.mk
+++ b/libc/arch-x86/syscalls.mk
@@ -156,11 +156,11 @@
 syscall_src += arch-x86/syscalls/timerfd_settime.S
 syscall_src += arch-x86/syscalls/timerfd_gettime.S
 syscall_src += arch-x86/syscalls/sigaction.S
-syscall_src += arch-x86/syscalls/__sigsuspend.S
+syscall_src += arch-x86/syscalls/sigpending.S
 syscall_src += arch-x86/syscalls/__rt_sigaction.S
 syscall_src += arch-x86/syscalls/__rt_sigprocmask.S
+syscall_src += arch-x86/syscalls/__rt_sigsuspend.S
 syscall_src += arch-x86/syscalls/__rt_sigtimedwait.S
-syscall_src += arch-x86/syscalls/sigpending.S
 syscall_src += arch-x86/syscalls/signalfd4.S
 syscall_src += arch-x86/syscalls/socket.S
 syscall_src += arch-x86/syscalls/bind.S
diff --git a/libc/arch-x86/syscalls/__sigsuspend.S b/libc/arch-x86/syscalls/__rt_sigsuspend.S
similarity index 65%
rename from libc/arch-x86/syscalls/__sigsuspend.S
rename to libc/arch-x86/syscalls/__rt_sigsuspend.S
index 6a5c6aa..32b2134 100644
--- a/libc/arch-x86/syscalls/__sigsuspend.S
+++ b/libc/arch-x86/syscalls/__rt_sigsuspend.S
@@ -3,14 +3,12 @@
 #include <linux/err.h>
 #include <machine/asm.h>
 
-ENTRY(__sigsuspend)
+ENTRY(__rt_sigsuspend)
     pushl   %ebx
     pushl   %ecx
-    pushl   %edx
-    mov     16(%esp), %ebx
-    mov     20(%esp), %ecx
-    mov     24(%esp), %edx
-    movl    $__NR_sigsuspend, %eax
+    mov     12(%esp), %ebx
+    mov     16(%esp), %ecx
+    movl    $__NR_rt_sigsuspend, %eax
     int     $0x80
     cmpl    $-MAX_ERRNO, %eax
     jb      1f
@@ -20,8 +18,7 @@
     addl    $4, %esp
     orl     $-1, %eax
 1:
-    popl    %edx
     popl    %ecx
     popl    %ebx
     ret
-END(__sigsuspend)
+END(__rt_sigsuspend)