Upstream atexit

Change-Id: Ia454a2181b5058ed9783dc02b6b1805d0e4d2715

libc/bionic/libc_init_static.cpp

@@ -46,7 +46,6 @@
 #include <sys/auxv.h>
 #include <sys/mman.h>
 
-#include "atexit.h"
 #include "libc_init_common.h"
 #include "pthread_internal.h"
 
@@ -60,6 +59,8 @@
 // itself at the start of a page.
 #define PAGE_END(x)    PAGE_START((x) + (PAGE_SIZE-1))
 
+extern "C" int __cxa_atexit(void (*)(void *), void *, void *);
+
 static void call_array(void(**list)()) {
   // First element is -1, list is null-terminated
   while (*++list) {