Ignore Grammar/Makefile now that it's a made Makefile.
diff --git a/Grammar/.cvsignore b/Grammar/.cvsignore
index f3f14bb..98e682a 100644
--- a/Grammar/.cvsignore
+++ b/Grammar/.cvsignore
@@ -1,2 +1,3 @@
 graminit.h
 graminit.c
+Makefile