changes to wget to use gnutls as default backend


from building wget
>...
checking for libgnutls... yes
checking how to link with libgnutls... /home/michael/build/openbricks/build/build.cubietruck.eglibc/toolchain/armv7-openbricks-linux-gnueabihf/sysroot/usr/local/lib/libgnutls.so /home/michael/build/openbricks/build/build.cubietruck.eglibc/toolchain/armv7-openbricks-linux-gnueabihf/sysroot/usr/lib/librt.so /home/michael/build/openbricks/build/build.cubietruck.eglibc/toolchain/armv7-openbricks-linux-gnueabihf/sysroot/usr/lib/libpthread.so /home/michael/build/openbricks/build/build.cubietruck.eglibc/toolchain/armv7-openbricks-linux-gnueabihf/sysroot/usr/local/lib/libnettle.so /home/michael/build/openbricks/build/build.cubietruck.eglibc/toolchain/armv7-openbricks-linux-gnueabihf/sysroot/usr/local/lib/libhogweed.so /home/michael/build/openbricks/build/build.cubietruck.eglibc/toolchain/armv7-openbricks-linux-gnueabihf/sysroot/usr/local/lib/libgmp.so
configure: compiling in support for SSL via GnuTLS
checking for gnutls_priority_set_direct... yes
...