Update miniupnpc to 1.9.20151008

This version of miniupnpc fixes a buffer overflow in the XML (ugh)
parser during initial network discovery.

http://talosintel.com/reports/TALOS-2015-0035/

The commit fixing the vulnerability is:
79cca974a4

Reported by timothy on IRC.

depends/packages/miniupnpc.mk

@@ -1,8 +1,8 @@
 package=miniupnpc
-$(package)_version=1.9.20150730
+$(package)_version=1.9.20151008
 $(package)_download_path=http://miniupnp.free.fr/files
 $(package)_file_name=$(package)-$($(package)_version).tar.gz
-$(package)_sha256_hash=1d64fab1fd3b4c8545139341ba197f19329a863f4f21b578fc2a228ab586a604
+$(package)_sha256_hash=e444ac3b587ce82709c4d0cfca1fe71f44f9fc433e9f946b12b9e1bfe667a633
 
 define $(package)_set_vars
 $(package)_build_opts=CC="$($(package)_cc)"