Fixed: Reading in a yang-spec file exactly the same size as the buffer (1024/2048/4096/...) could leave the buffer not terminated with a 0 byte

lib/src/clixon_yang_parse_lib.c

@@ -554,7 +554,7 @@ yang_parse_file(int         fd,
 	}
 	if (ret == 0)
 	    break; /* eof */
-	if (len==i){
+	if (i == len-1){
 	    if ((buf = realloc(buf, 2*len)) == NULL){
 		clicon_err(OE_XML, errno, "realloc");
 		goto done;