Change %merge result type clash warnings to errors. Discussed at

[bison.git] / lib / bitset.h

diff --git a/lib/bitset.h b/lib/bitset.h
index 0b6aa6b3362932d5e6c3254e97031cdb5b2648f0..45c8818cc99c0eaa26041e95b0c30fbd8f1582f0 100644 (file)
--- a/lib/bitset.h
+++ b/lib/bitset.h
@@ -26,6 +26,10 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 #include "obstack.h"
 #include <stdio.h>
 
+#if USE_UNLOCKED_IO
+# include "unlocked-io.h"
+#endif
+
 /* Attributes used to select a bitset implementation.  */
 enum bitset_attr {BITSET_FIXED = 1,    /* Bitset size fixed.  */
                  BITSET_VARIABLE = 2, /* Bitset size variable.  */