silence formatting warnings

src/bake-client.c

@@ -147,8 +147,8 @@ int bake_client_finalize(bake_client_t client)
 {
     if(client->num_provider_handles != 0) {
         fprintf(stderr, 
-                "[BAKE] Warning: %d provider handles not released before bake_client_finalize was called\n",
-                client->num_provider_handles);
+                "[BAKE] Warning: %llu provider handles not released before bake_client_finalize was called\n",
+                (long long unsigned int)client->num_provider_handles);
     }
     free(client);
     return BAKE_SUCCESS;

src/bake-copy-to.c

@@ -137,7 +137,7 @@ int main(int argc, char **argv)
     }
 
     if(num_targets < target_number) {
-        fprintf(stderr, "Error: provider has only %d storage targets\n", num_targets);
+        fprintf(stderr, "Error: provider has only %llu storage targets\n", (long long unsigned int)num_targets);
         margo_addr_free(mid, svr_addr);
         bake_client_finalize(bcl);
         margo_finalize(mid);