Fix warnings on Windows

Author: DinoV

Objects/obmalloc.c

@@ -2730,23 +2730,23 @@ static bool _collect_alloc_stats(
 static void
 py_mimalloc_print_stats(FILE *out)
 {
-    fprintf(out, "Small block threshold = %ld, in %u size classes.\n",
+    fprintf(out, "Small block threshold = %zd, in %u size classes.\n",
         MI_SMALL_OBJ_SIZE_MAX, MI_BIN_HUGE);
-    fprintf(out, "Medium block threshold = %ld\n",
+    fprintf(out, "Medium block threshold = %zd\n",
             MI_MEDIUM_OBJ_SIZE_MAX);
-    fprintf(out, "Large object max size = %ld\n",
+    fprintf(out, "Large object max size = %zd\n",
             MI_LARGE_OBJ_SIZE_MAX);
 
     mi_heap_t *heap = mi_heap_get_default();
     struct _alloc_stats stats;
     memset(&stats, 0, sizeof(stats));
     mi_heap_visit_blocks(heap, false, &_collect_alloc_stats, &stats);
 
-    fprintf(out, "    Allocated Blocks: %ld\n", stats.allocated_blocks);
-    fprintf(out, "    Allocated Bytes: %ld\n", stats.allocated_bytes);
-    fprintf(out, "    Allocated Bytes w/ Overhead: %ld\n", stats.allocated_with_overhead);
-    fprintf(out, "    Bytes Reserved: %ld\n", stats.bytes_reserved);
-    fprintf(out, "    Bytes Committed: %ld\n", stats.bytes_committed);
+    fprintf(out, "    Allocated Blocks: %zd\n", stats.allocated_blocks);
+    fprintf(out, "    Allocated Bytes: %zd\n", stats.allocated_bytes);
+    fprintf(out, "    Allocated Bytes w/ Overhead: %zd\n", stats.allocated_with_overhead);
+    fprintf(out, "    Bytes Reserved: %zd\n", stats.bytes_reserved);
+    fprintf(out, "    Bytes Committed: %zd\n", stats.bytes_committed);
 }
 #endif