Clean up more recursive FORTIFY_SOURCE calls
Don't use FORTIFY_SOURCE on functions which implement
FORTIFY_SOURCE, to avoid infinite recursion problems.
The previous patch only addressed one of the problems.
Bug: 12216860
Change-Id: I6f30ae7cb5b481be9942add18182ea4839d348a6
diff --git a/libc/bionic/__vsnprintf_chk.cpp b/libc/bionic/__vsnprintf_chk.cpp
index 8550224..8c09111 100644
--- a/libc/bionic/__vsnprintf_chk.cpp
+++ b/libc/bionic/__vsnprintf_chk.cpp
@@ -26,6 +26,8 @@
* SUCH DAMAGE.
*/
+#undef _FORTIFY_SOURCE
+
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>