freedreno: Fix leak of u_transfer_helper.

Fixes: d1465b3aeee3 ("freedreno: use u_transfer_helper")
Reviewed-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7695>
(cherry picked from commit 9cc8fc7bbc4a4d7fe4d3635be207daf2a6672662)
diff --git a/.pick_status.json b/.pick_status.json
index b8bf26a..a705a5f 100644
--- a/.pick_status.json
+++ b/.pick_status.json
@@ -58,7 +58,7 @@
         "description": "freedreno: Fix leak of u_transfer_helper.",
         "nominated": true,
         "nomination_type": 1,
-        "resolution": 0,
+        "resolution": 1,
         "master_sha": null,
         "because_sha": "d1465b3aeee318a3a76a652325aa13d4a1946f37"
     },
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c
index c5be17b..6af394d 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -162,6 +162,8 @@
 
 	simple_mtx_destroy(&screen->lock);
 
+	u_transfer_helper_destroy(pscreen->transfer_helper);
+
 	if (screen->compiler)
 		ir3_compiler_destroy(screen->compiler);