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-rw-r--r--ext/iconv/iconv.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/iconv/iconv.c b/ext/iconv/iconv.c
index 37224d884b..767896ed57 100644
--- a/ext/iconv/iconv.c
+++ b/ext/iconv/iconv.c
@@ -166,7 +166,7 @@ iconv_create(VALUE to, VALUE from, struct rb_iconv_opt_t *opt)
}
if (cd == (iconv_t)-1) {
int inval = errno == EINVAL;
- char *s = inval ? "invalid encoding " : "iconv";
+ const char *s = inval ? "invalid encoding " : "iconv";
volatile VALUE msg = rb_str_new(0, strlen(s) + RSTRING(to)->len +
RSTRING(from)->len + 8);