build: let autogen.sh script change into top source directory
build: let autogen.sh script change into top source directory

Acked-by: Thomas Graf <17c2d8920621522552b392f72d8fdb4d1e866b44@suug.ch>
Signed-off-by: Thomas Haller <16e26612e4159990a6b3691e92592e691ff74132@redhat.com>

tklauser/libnl,mshirley/libnl,claudelee/libnl,vyos/libnl3,dsahern/libnl,cfriedt/libnl,cfriedt/libnl,cfriedt/libnl,dsahern/libnl,mshirley/libnl,vyos/libnl3,tklauser/libnl,UnicronNL/libnl3,baloo/libnl,cfriedt/libnl,houstar/libnl,cyclops8456/libnl3,congwang/libnl,UnicronNL/libnl3,mshirley/libnl,greearb/libnl-ct,cyclops8456/libnl3,vyos/libnl3,thom311/libnl,houstar/libnl,kolyshkin/libnl,thom311/libnl,kolyshkin/libnl,mshirley/libnl,HolyShitMan/libnl-1,honsys/libnl,houstar/libnl,HolyShitMan/libnl-1,tgraf/libnl,houstar/libnl,vyos/libnl3,honsys/libnl,baloo/libnl,HolyShitMan/libnl-1,tklauser/libnl,congwang/libnl,dsahern/libnl,kolyshkin/libnl,congwang/libnl,dsahern/libnl,tklauser/libnl,greearb/libnl-ct,claudelee/libnl,cyclops8456/libnl3,claudelee/libnl,tgraf/libnl,thom311/libnl,honsys/libnl,cyclops8456/libnl3,baloo/libnl,baloo/libnl,tgraf/libnl,kolyshkin/libnl,claudelee/libnl,greearb/libnl-ct,congwang/libnl,UnicronNL/libnl3,honsys/libnl,HolyShitMan/libnl-1,tgraf/libnl,UnicronNL/libnl3