--- ../cache/alpine-2.20/pico/osdep/filesys.c	2015-01-12 05:12:25.272177331 +0000
+++ ./pico/osdep/filesys.c	2016-12-11 00:14:46.945596542 +0000
@@ -777,7 +777,6 @@
     char   *cb;
     struct stat tsb, fsb;
     EML    eml;
-    extern int  errno;
 
     if(our_stat(a, &fsb) < 0){		/* get source file info */
 	eml.s = errstr(errno);