make _get_supported_key_length() static

diff --git a/ykpers.c b/ykpers.c
index 35f2bea7422f489f7f000afd0f58f5fd5c420c72..05c0b99bfb7dbe3a04adae660851cef8e5f55915 100644 (file)
--- a/ykpers.c
+++ b/ykpers.c
@@ -221,7 +221,7 @@ int ykp_configure_for(YKP_CONFIG *cfg, int confnum, YK_STATUS *st)
 /* Return number of bytes of key data for this configuration.
  * 20 bytes is 160 bits, 16 bytes is 128.
  */
-int _get_supported_key_length(const YKP_CONFIG *cfg)
+static int _get_supported_key_length(const YKP_CONFIG *cfg)
 {
        /* OATH-HOTP and HMAC-SHA1 challenge response support 20 byte (160 bits)
         * keys, holding the last four bytes in the uid field.