Updated uthash.h and utlist.h to 1.9.8

gcc48 could not successfully build pkgng with uthash 1.9.7. The current
version is now updated to 1.9.8, see: https://github.com/troydhanson/uthash/commit/5b2ef5e9c96358e39be72badaab6959ca19e7c61
Patch libelf to build with gcc48

see https://sourceforge.net/apps/trac/elftoolchain/ticket/415