Switch from using 'nacl_main' to 'main' entry point

ports/tar/nacl.patch

Index: ports/tar/nacl.patch
diff --git a/ports/tar/nacl.patch b/ports/tar/nacl.patch
index e77865841611173ed9a62701c8b93b80ae39bfe8..a4fdb7c1f7cdad5d74615da9764008d50b511a86 100644
--- a/ports/tar/nacl.patch
+++ b/ports/tar/nacl.patch
@@ -55,12 +55,3 @@ diff --git a/src/tar.c b/src/tar.c
  };
  
  ARGMATCH_VERIFY (sort_mode_arg, sort_mode_flag);
-@@ -2716,7 +2717,7 @@ more_options (int argc, char **argv)
- 
- /* Main routine for tar.  */
- int
--main (int argc, char **argv)
-+nacl_main (int argc, char **argv)
- {
-   set_start_time ();
-   set_program_name (argv[0]);