83e3f76c25
Compiling with GCC 4.6.0 20100925 produced a warning: /src/qemu/block/qcow2-refcount.c: In function 'update_refcount': /src/qemu/block/qcow2-refcount.c:552:13: error: variable 'dummy' set but not used [-Werror=unused-but-set-variable] Fix by adding a dummy cast so that the result is not unused. Acked-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>