Always use bzip2 compression for pkg metadata

ports/pkg/nacl.patch

Index: ports/pkg/nacl.patch
diff --git a/ports/pkg/nacl.patch b/ports/pkg/nacl.patch
index f1c7627c6e605315fefb71bb127ed13c7a39a9ec..bd9695960d1d532ff6b9b56d8f768f3d4a582732 100644
--- a/ports/pkg/nacl.patch
+++ b/ports/pkg/nacl.patch
@@ -1191,31 +1191,22 @@ diff --git a/libpkg/pkg_repo.c b/libpkg/pkg_repo.c
  	*rc = EPKG_OK;
  	return (res);
  }
-@@ -890,9 +1052,21 @@ pkg_repo_fetch_meta(struct pkg_repo *repo, time_t *t)
+@@ -890,9 +1052,12 @@ pkg_repo_fetch_meta(struct pkg_repo *repo, time_t *t)
  
  	dbdir = pkg_object_string(pkg_config_get("PKG_DBDIR"));
  
 +#ifdef __native_client__
 +	char* tmp_file;
-+	fd = pkg_repo_fetch_remote_tmp(repo, "meta", "txz", t, &rc, &tmp_file);
++	fd = pkg_repo_fetch_remote_tmp(repo, "meta", "tbz", t, &rc, &tmp_file);
 +#else
  	fd = pkg_repo_fetch_remote_tmp(repo, "meta", "txz", t, &rc);
 -	if (fd == -1)
 -		return (rc);
 +#endif
-+	if (fd == -1) {
-+#ifdef __native_client__
-+		fd = pkg_repo_fetch_remote_tmp(repo, "meta", "tbz", t, &rc, &tmp_file);
-+#else
-+		fd = pkg_repo_fetch_remote_tmp(repo, "meta", "tbz", t, &rc);
-+#endif
-+		if (fd == -1)
-+			return (rc);
-+	}
  
  	snprintf(filepath, sizeof(filepath), "%s/%s.meta", dbdir, pkg_repo_name(repo));
  
-@@ -922,12 +1096,18 @@ pkg_repo_fetch_meta(struct pkg_repo *repo, time_t *t)
+@@ -922,12 +1087,18 @@ pkg_repo_fetch_meta(struct pkg_repo *repo, time_t *t)
  	}
  
  	close(fd);
@@ -1234,7 +1225,7 @@ diff --git a/libpkg/pkg_repo.c b/libpkg/pkg_repo.c
  	/* Map meta file for extracting pubkeys from it */
  	if (stat(filepath, &st) == -1) {
  		pkg_emit_errno("pkg_repo_fetch_meta", "cannot stat meta fetched");
-@@ -947,6 +1127,7 @@ pkg_repo_fetch_meta(struct pkg_repo *repo, time_t *t)
+@@ -947,6 +1118,7 @@ pkg_repo_fetch_meta(struct pkg_repo *repo, time_t *t)
  		rc = EPKG_FATAL;
  		goto cleanup;
  	}