Fix another double free in value reduction

Signed-off-by: Casey Dahlin <casey.dahlin@gmail.com>
Fix memory leak in ason_reduce_intersect

Signed-off-by: Casey Dahlin <casey.dahlin@gmail.com>
Fix memory leak in ason_make_empty

Signed-off-by: Casey Dahlin <casey.dahlin@gmail.com>
Fix leak in harness

We have to disable -Wuninitialized for one of the tests now because it seems to
be firing false positives.

Signed-off-by: Casey Dahlin <casey.dahlin@gmail.com>
Add missing semicolums to value_test.c

Signed-off-by: Casey Dahlin <casey.dahlin@gmail.com>