Add needed functions to glibc-compat for pkg

PRESUBMIT.py

Index: PRESUBMIT.py
diff --git a/PRESUBMIT.py b/PRESUBMIT.py
index 6a324c739820b286c270935aea2414043f6b7fbe..f9796f36ef1735346df32714c442763d074d1bb0 100755
--- a/PRESUBMIT.py
+++ b/PRESUBMIT.py
@@ -17,8 +17,14 @@ _EXCLUDED_PATHS = (
     # Many of the files in glibc-compat come from the other sources such as
     # newlib and as such do not contain our copyright header.
     r"^ports[\/\\]glibc-compat[\/\\]include[\/\\]err\.h",
-    r"^ports[\/\\]glibc-compat[\/\\]src[\/\\]err\.c"
-    r"^ports[\/\\]glibc-compat[\/\\]src[\/\\]libc-symbols\.h"
+    r"^ports[\/\\]glibc-compat[\/\\]include[\/\\]fts\.h",
+    r"^ports[\/\\]glibc-compat[\/\\]src[\/\\]err\.c",
+    r"^ports[\/\\]glibc-compat[\/\\]src[\/\\]libc-symbols\.h",
+    r"^ports[\/\\]glibc-compat[\/\\]src[\/\\]dirfd.c",
+    r"^ports[\/\\]glibc-compat[\/\\]src[\/\\]flock.c",
+    r"^ports[\/\\]glibc-compat[\/\\]src[\/\\]fts.c",
+    r"^ports[\/\\]glibc-compat[\/\\]src[\/\\]herror.c",
+    r"^ports[\/\\]glibc-compat[\/\\]src[\/\\]timegm.c",
 )
 
 def RunPylint(input_api, output_api):