Switch from %ld to %zu for size_t vars in JPEG/example/h5ex_d_jpeg.c

Co-authored-by: ellipsis-dev[bot] <65095814+ellipsis-dev[bot]@users.noreply.github.com>

Author: ajelenak

JPEG/example/h5ex_d_jpeg.c

@@ -187,7 +187,7 @@ main(void)
     switch (filter_id) {
         case H5Z_FILTER_JPEG:
             printf("%d\n", filter_id);
-            printf("   Number of parameters is %ld with the value %u\n", nelmts, values_out[0]);
+            printf("   Number of parameters is %zu with the value %u\n", nelmts, values_out[0]);
             printf("   To find more about the filter check %s\n", filter_name);
             break;
         default: