OSC/UCX: Change the declaration of wpool ctx mutex to recursive. Note

that this object has been already getting constructed using
opal_recursive_mutex_t inside opal_common_ucx_wpctx_create, but inside
opal_common_ucx_ctx_t, it was missing the proper type.

Signed-off-by: Mamzi Bayatpour  <mbayatpour@nvidia.com>
Co-authored-by: Tomislav Janjusic <tomislavj@nvidia.com>

Author: Mamzi Bayatpour mbayatpour@nvidia.com ()

opal/mca/common/ucx/common_ucx_wpool.h

@@ -81,7 +81,7 @@ extern opal_atomic_int64_t opal_common_ucx_unpacked_rkey_counts;
  * Context is bound to a particular Worker Pool object.
  */
 typedef struct {
-    opal_mutex_t mutex;
+    opal_recursive_mutex_t mutex;
 
     /* the reference to a Worker pool this context belongs to*/
     opal_common_ucx_wpool_t *wpool;