Add declaration of struct _node, for scoping reasons.

diff --git a/Parser/pgen.h b/Parser/pgen.h
index dd761609953fc4c5d437b6c3dd07619d6f432467..46d81ff8fdce820167047453a7d608b6e1401f57 100644 (file)
--- a/Parser/pgen.h
+++ b/Parser/pgen.h
@@ -27,4 +27,6 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 extern grammar gram;
 
 extern grammar *meta_grammar PROTO((void));
+
+struct _node;
 extern grammar *pgen PROTO((struct _node *));