fixed compiler warning

diff --git a/src/libstrongswan/fips/fips.c b/src/libstrongswan/fips/fips.c
index bb8f779..aef4541 100644 (file)
--- a/src/libstrongswan/fips/fips.c
+++ b/src/libstrongswan/fips/fips.c
@@ -64,7 +64,7 @@ bool fips_compute_hmac_signature(const char *key, char *signature)
        }
        else
        {
-               chunk_t hmac_key = { key, strlen(key) };
+               chunk_t hmac_key = { (u_char *)key, strlen(key) };
                chunk_t text_chunk = { text_start, text_len };
                chunk_t rodata_chunk = { (u_char *)FIPS_rodata_start, rodata_len };
                chunk_t signature_chunk = chunk_empty;