qapi: Rename generate_enum_full_value() to c_enum_const()

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
diff --git a/scripts/qapi-visit.py b/scripts/qapi-visit.py
index ba623b1..0368e62 100644
--- a/scripts/qapi-visit.py
+++ b/scripts/qapi-visit.py
@@ -214,7 +214,7 @@
             or find_union(members[key])
             or find_enum(members[key])), "Invalid alternate member"
 
-        enum_full_value = generate_enum_full_value(disc_type, key)
+        enum_full_value = c_enum_const(disc_type, key)
         ret += mcgen('''
     case %(enum_full_value)s:
         visit_type_%(c_type)s(m, &(*obj)->%(c_name)s, name, &err);
@@ -315,7 +315,7 @@
         else:
             fmt = 'visit_type_implicit_%(c_type)s(m, &(*obj)->%(c_name)s, &err);'
 
-        enum_full_value = generate_enum_full_value(disc_type, key)
+        enum_full_value = c_enum_const(disc_type, key)
         ret += mcgen('''
         case %(enum_full_value)s:
             ''' + fmt + '''