uClibc: fix a crash in __read_etc_hosts_r() that occurs if more than five...

uClibc: fix a crash in __read_etc_hosts_r() that occurs if more than five hostnames follow a dotted quad in /etc/hosts

SVN-Revision: 27131

toolchain/uClibc/patches-0.9.32/131-inet-fix-__read_etc_hosts_r-segfault.patch

+--- a/libc/inet/resolv.c
++++ b/libc/inet/resolv.c
+@@ -1631,6 +1631,7 @@ int attribute_hidden __read_etc_hosts_r(
+ 	 * struct in[6]_addr
+ 	 * char line_buffer[BUFSZ+];
+ 	 */
++	memset(buf, 0, buflen);
+ 	parser->data = buf;
+ 	parser->data_len = aliaslen;
+ 	parser->line_len = buflen - aliaslen;