fixup

Author: Gankra

src/librustdoc/html/markdown.rs

@@ -80,7 +80,9 @@ struct hoedown_renderer {
                                     *mut libc::c_void)>,
     header: Option<extern "C" fn(*mut hoedown_buffer, *const hoedown_buffer,
                                  libc::c_int, *mut libc::c_void)>,
-    other: [libc::size_t, ..29],
+    math: Option<extern "C" fn(*mut hoedown_buffer, *const hoedown_buffer,
+                                 libc::c_int, *mut libc::c_void)>,
+    other: [libc::size_t, ..28],
 }
 
 #[repr(C)]