[PATCH 04/14] glr2.cc: put create_state_set_index in unnamed namespace

* data/skeletons/glr2.cc: here.
---
 data/skeletons/glr2.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/data/skeletons/glr2.cc b/data/skeletons/glr2.cc
index b5d5452d..573de259 100644
--- a/data/skeletons/glr2.cc
+++ b/data/skeletons/glr2.cc
@@ -760,10 +760,13 @@ const std::ptrdiff_t strong_index_alias<T>::INVALID_INDEX =
 
 typedef strong_index_alias<struct glr_state_set_tag> state_set_index;
 
+namespace
+{
   state_set_index create_state_set_index (std::ptrdiff_t value)
   {
     return state_set_index::create (value);
   }
+}
 
 /** State numbers, as in LALR(1) machine */
 typedef int state_num;
-- 
2.32.0