* Garbage collector: option `--max-freed' to stop after at least N

bytes have been freed, `--max-links' to stop when the Nix store
  directory has fewer than N hard links (the latter being important
  for very large Nix stores on filesystems with a 32000 subdirectories
  limit).

src/libmain/shared.cc

@@ -58,7 +58,7 @@ static void setLogType(string lt)
 }
 
 
-static unsigned int getIntArg(const string & opt,
+unsigned int getIntArg(const string & opt,
     Strings::iterator & i, const Strings::iterator & end)
 {
     ++i;