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-rw-r--r--src/input/libreal/real.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/input/libreal/real.c b/src/input/libreal/real.c
index dc3f00105..f4698a4fb 100644
--- a/src/input/libreal/real.c
+++ b/src/input/libreal/real.c
@@ -313,7 +313,7 @@ static void calc_response_string (char *result, char *challenge) {
void real_calc_response_and_checksum (char *response, char *chksum, char *challenge) {
- int ch_len, resp_len;
+ size_t ch_len, resp_len;
int i;
char *ptr;
char buf[128];