[examples] "get" uses -o to save to a file
[examples] "get" uses -o to save to a file

The "get" example is now able to handle a new "-o"
parameter specifying the path of a file in which
to write the received body of a "GET" operation.

If the file exists, it will be overwritten.

https://bugzilla.gnome.org/show_bug.cgi?id=703229

fanc999/libsoup,Distrotech/libsoup,Distrotech/libsoup,fanc999/libsoup,fanc999/libsoup,jwendell/libsoup,Distrotech/libsoup,jwendell/libsoup,Distrotech/libsoup,jwendell/libsoup,fanc999/libsoup,fanc999/libsoup,Distrotech/libsoup,jwendell/libsoup,jwendell/libsoup