Fix linker warning on build with target_arch=ia32.

printing/cups_config_helper.py

Index: printing/cups_config_helper.py
diff --git a/printing/cups_config_helper.py b/printing/cups_config_helper.py
index 3fe5fe04e1abd4e7292d818ec028f50c8031f252..976054f84dbe8b1bd2cd1522647fd50cab1097c7 100755
--- a/printing/cups_config_helper.py
+++ b/printing/cups_config_helper.py
@@ -46,6 +46,11 @@ def run_cups_config(mode):
     if flag_mode is None or flag_mode == mode:
       flags_subset.append(flag)
 
+  # Note: cross build is confused by the option, and may trigger linker
+  # warning causing build error.
+  if '-lgnutls' in flags_subset:
+    flags_subset.remove('-lgnutls')
+
   return flags_subset