fixed configure.in script to run AC_PROG_CXX before testing for
fixed configure.in script to run AC_PROG_CXX before testing for

hamedramzi/libtorrent,TeoTwawki/libtorrent,snowyu/libtorrent,snowyu/libtorrent,TeoTwawki/libtorrent,snowyu/libtorrent,hamedramzi/libtorrent,TeoTwawki/libtorrent,hamedramzi/libtorrent,TeoTwawki/libtorrent,hamedramzi/libtorrent,TeoTwawki/libtorrent,snowyu/libtorrent,hamedramzi/libtorrent,hamedramzi/libtorrent,TeoTwawki/libtorrent,snowyu/libtorrent,snowyu/libtorrent