fix how we walk functions to match new closure fmt

src/rt/rust_scheduler.cpp

@@ -3,6 +3,7 @@
 #include <cassert>
 #include <pthread.h>
 #include "rust_internal.h"
+#include "rust_util.h"
 #include "globals.h"
 
 #ifndef _WIN32
@@ -414,6 +415,5 @@ rust_scheduler::get_task() {
 // indent-tabs-mode: nil
 // c-basic-offset: 4
 // buffer-file-coding-system: utf-8-unix
-// compile-command: "make -k -C $RBUILD 2>&1 | sed -e 's/\\/x\\//x:\\//g'";
 // End:
 //