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-rw-r--r--utf8.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/utf8.c b/utf8.c
index ddfdc5e2b8..db706ac4ed 100644
--- a/utf8.c
+++ b/utf8.c
@@ -354,7 +354,7 @@ int is_encoding_utf8(const char *name)
* with iconv. If the conversion fails, returns NULL.
*/
#ifndef NO_ICONV
-#ifdef OLD_ICONV
+#if defined(OLD_ICONV) || (defined(__sun__) && !defined(_XPG6))
typedef const char * iconv_ibp;
#else
typedef char * iconv_ibp;