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-rw-r--r--iconvdata/iso646.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/iconvdata/iso646.c b/iconvdata/iso646.c
index d3eaa77834..29a452d112 100644
--- a/iconvdata/iso646.c
+++ b/iconvdata/iso646.c
@@ -391,7 +391,7 @@ gconv_end (struct gconv_step *data)
 	break;								      \
       default:								      \
 	break;								      \
-      case '\x80' ... '\xff':						      \
+      case 0x80 ... 0xff:						      \
 	/* Illegal character.  */					      \
 	failure = GCONV_ILLEGAL_INPUT;					      \
 	break;								      \