libc: upgrade sprintf to _FORTIFY_SOURCE=2

Upgrade sprintf to fortify_source level 2, to catch
additional security bugs.

Change-Id: Ibc957d65e4cb96152de84b3745a04e00fa22659e
diff --git a/libc/include/sys/cdefs.h b/libc/include/sys/cdefs.h
index 1288b28..6d4abbd 100644
--- a/libc/include/sys/cdefs.h
+++ b/libc/include/sys/cdefs.h
@@ -518,9 +518,9 @@
 #if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 && defined(__OPTIMIZE__) && __OPTIMIZE__ > 0 && !defined(__clang__)
 #define __BIONIC_FORTIFY 1
 #if _FORTIFY_SOURCE == 2
-#define __bos(s) __builtin_object_size((s), 1);
+#define __bos(s) __builtin_object_size((s), 1)
 #else
-#define __bos(s) __builtin_object_size((s), 0);
+#define __bos(s) __builtin_object_size((s), 0)
 #endif
 
 #define __BIONIC_FORTIFY_INLINE \