REVIEW: fix compile error

Author: wfaderhold21

src/components/tl/ucp/tl_ucp_coll.c

@@ -330,6 +330,8 @@ UCC_TL_UCP_PROFILE_FUNC(ucc_status_t, ucc_tl_ucp_coll_dynamic_segment_exchange,
     void                   *exchange_buffer = NULL;
     void                   *global_buffer   = NULL;
     int                     i               = 0;
+    size_t                  local_pack_size = 0;
+    size_t                 *global_sizes    = NULL;
     ucc_service_coll_req_t *scoll_req;
 
     if (core_team->size == 0) {
@@ -355,10 +357,10 @@ UCC_TL_UCP_PROFILE_FUNC(ucc_status_t, ucc_tl_ucp_coll_dynamic_segment_exchange,
     dst_pack_size = dst_memh_local->tl_h->packed_size;
 
     /* Calculate total pack size for this rank */
-    size_t local_pack_size = ucc_max(src_pack_size, dst_pack_size) + sizeof(size_t) * 2;
+    local_pack_size = ucc_max(src_pack_size, dst_pack_size) + sizeof(size_t) * 2;
 
     /* Allgather to find the maximum pack size across all ranks */
-    size_t *global_sizes =
+    global_sizes =
         ucc_calloc(core_team->size, sizeof(size_t), "global sizes");
     if (!global_sizes) {
         tl_error(UCC_TASK_LIB(task), "failed to allocate global sizes buffer");