Remove getdents from bionic.

Bug: 11156955
Change-Id: I6c306989801be552d85fba8a50dcdc79282fb9d2
diff --git a/libc/arch-x86/syscalls/getdents.S b/libc/arch-x86/syscalls/__getdents64.S
similarity index 93%
rename from libc/arch-x86/syscalls/getdents.S
rename to libc/arch-x86/syscalls/__getdents64.S
index 0627532..3fc8719 100644
--- a/libc/arch-x86/syscalls/getdents.S
+++ b/libc/arch-x86/syscalls/__getdents64.S
@@ -2,7 +2,7 @@
 
 #include <private/bionic_asm.h>
 
-ENTRY(getdents)
+ENTRY(__getdents64)
     pushl   %ebx
     .cfi_def_cfa_offset 8
     .cfi_rel_offset ebx, 0
@@ -28,4 +28,4 @@
     popl    %ecx
     popl    %ebx
     ret
-END(getdents)
+END(__getdents64)