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-rw-r--r--lib/idn_win32.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/idn_win32.c b/lib/idn_win32.c
index 6ea3dc018..68accdca4 100644
--- a/lib/idn_win32.c
+++ b/lib/idn_win32.c
@@ -61,6 +61,7 @@ int curl_win32_idn_to_ascii(const char *in, char **out)
int curl_win32_ascii_to_idn(const char *in, size_t in_len, char **out_utf8)
{
+ (void)in_len; /* unused */
if(in) {
WCHAR unicode[IDN_MAX_LENGTH];