Include mes-0.26 in pre-network-sources

Hopefully this will be the last version of mes included there.

Author: Googulator

steps/pre-network-sources

@@ -1,4 +1,4 @@
-mes-0.25.tar.gz
+mes-0.26.tar.gz
 nyacc-1.00.2.tar.gz
 tcc-0.9.26.tar.gz
 tcc-0.9.27.tar.bz2