build: Update udisks2 requirement to version 1.97
build: Update udisks2 requirement to version 1.97

The use of udisks_loop_get_setup_by_uid,
udisks_client_get_loop_for_block, udisks_loop_get_autoclear,
udisks_loop_get_setup_by_uid, & udisks_loop_call_set_autoclear in
gvfsudisks2volume.c cause the build to fail without a udisks2 version
>= 1.97.

https://bugzilla.gnome.org/show_bug.cgi?id=680863

Signed-off-by: Tomas Bzatek <d3a1cc6aceb7629c6bc23f72976a8a12cdfc8825@redhat.com>

gicmo/gvfs,xkahn/gvfs-cmis,xkahn/gvfs-cmis,gicmo/gvfs,philipl/gvfs,philipl/gvfs,xkahn/gvfs-cmis,philipl/gvfs,gicmo/gvfs,halfline/gvfs,xkahn/gvfs-cmis,halfline/gvfs,gicmo/gvfs,halfline/gvfs