fate: Always enable avresample

There's no reason we shouldn't be testing it.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

tests/fate.sh

@@ -46,6 +46,7 @@ configure()(
         --samples="${samples}"                                          \
         --enable-gpl                                                    \
         --enable-memory-poisoning                                       \
+        --enable-avresample                                             \
         ${arch:+--arch=$arch}                                           \
         ${cpu:+--cpu="$cpu"}                                            \
         ${cross_prefix:+--cross-prefix="$cross_prefix"}                 \