proxy: fix void pointer cast errors

or silence warnings depending on the compiler settings.

Fixes: 9c5ca936 ("proxy: add proxy_context_resource helpers")

Signed-off-by: Ryan Neph <ryanneph@google.com>
Reviewed-by: Yiwei Zhang <zzyiwei@chromium.org>

src/proxy/proxy_context.c

@@ -26,20 +26,20 @@ struct proxy_fence {
 static inline void
 proxy_context_resource_add(struct proxy_context *ctx, uint32_t res_id)
 {
-   assert(!_mesa_hash_table_search(ctx->resource_table, (void *)res_id));
-   _mesa_hash_table_insert(ctx->resource_table, (void *)res_id, NULL);
+   assert(!_mesa_hash_table_search(ctx->resource_table, (void *)(uintptr_t)res_id));
+   _mesa_hash_table_insert(ctx->resource_table, (void *)(uintptr_t)res_id, NULL);
 }
 
 static inline bool
 proxy_context_resource_find(struct proxy_context *ctx, uint32_t res_id)
 {
-   return _mesa_hash_table_search(ctx->resource_table, (void *)res_id);
+   return _mesa_hash_table_search(ctx->resource_table, (void *)(uintptr_t)res_id);
 }
 
 static inline void
 proxy_context_resource_remove(struct proxy_context *ctx, uint32_t res_id)
 {
-   _mesa_hash_table_remove_key(ctx->resource_table, (void *)res_id);
+   _mesa_hash_table_remove_key(ctx->resource_table, (void *)(uintptr_t)res_id);
 }
 
 static inline bool