--- src/src/snprintf.c 2009-04-10 13:39:23.000000000 +0000
+++ patches/snprintf.c 2017-05-19 07:45:08.926751318 +0000
-@@ -522,7 +522,11 @@
+@@ -522,7 +522,9 @@
static UINTMAX_T myround(LDOUBLE);
static LDOUBLE mypow10(int);
-+#ifdef __ANDROID__
-+extern volatile int errno;
-+#else
++#ifndef __ANDROID__
extern int errno;
+#endif