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-rw-r--r--iconvdata/iso646.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/iconvdata/iso646.c b/iconvdata/iso646.c
index b450fcc962..5a0402e1fe 100644
--- a/iconvdata/iso646.c
+++ b/iconvdata/iso646.c
@@ -43,6 +43,8 @@
 #define DEFINE_FINI		0
 #define MIN_NEEDED_FROM		1
 #define MIN_NEEDED_TO		4
+#define ONE_DIRECTION		0
+
 #define FROM_DIRECTION		(dir == from_iso646)
 #define PREPARE_LOOP \
   enum direction dir = ((struct iso646_data *) step->__data)->dir;	      \