Update symbol versions.
Bug: http://b/28178111
Change-Id: I8e9fb919d96693dd320962775e991caf5aeb0107
diff --git a/libc/include/stdlib.h b/libc/include/stdlib.h
index 6fb2209..ffbce10 100644
--- a/libc/include/stdlib.h
+++ b/libc/include/stdlib.h
@@ -46,8 +46,8 @@
extern __noreturn void _Exit(int) __INTRODUCED_IN(21);
extern int atexit(void (*)(void));
-int at_quick_exit(void (*)(void));
-void quick_exit(int) __noreturn;
+int at_quick_exit(void (*)(void)) __INTRODUCED_IN(21);
+void quick_exit(int) __noreturn __INTRODUCED_IN(21);
extern char* getenv(const char*);
extern int putenv(char*);