Fix addition of extra arg to cfi_restore.

Change-Id: I8fdcc1ae3e91b69ccbcec756a89e1ccb4fa1be53
diff --git a/libc/arch-x86/bionic/syscall.S b/libc/arch-x86/bionic/syscall.S
index 963e4c5..2a15102 100644
--- a/libc/arch-x86/bionic/syscall.S
+++ b/libc/arch-x86/bionic/syscall.S
@@ -52,15 +52,15 @@
     # Restore the callee save registers.
     pop    %ebp
     .cfi_adjust_cfa_offset -4
-    .cfi_restore ebp, 0
+    .cfi_restore ebp
     pop    %edi
     .cfi_adjust_cfa_offset -4
-    .cfi_restore edi, 0
+    .cfi_restore edi
     pop    %esi
     .cfi_adjust_cfa_offset -4
-    .cfi_restore esi, 0
+    .cfi_restore esi
     pop    %ebx
     .cfi_adjust_cfa_offset -4
-    .cfi_restore ebx, 0
+    .cfi_restore ebx
     ret
 END(syscall)