don't fatal if libfido2 not found

spotted by dtucker@

diff --git a/configure.ac b/configure.ac
index 6e32374cc9bf4527cdf2de6488c52a0af4d1eeb0..3814db66b35a76bc3ff22345ce363cc78c36d884 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -3088,8 +3088,7 @@ if test "x$enable_sk" = "xyes" ; then
                        AC_DEFINE([ENABLE_SK_INTERNAL], [],
                            [Enable for built-in U2F/FIDO support])
                        enable_sk="built-in"
-               ],
-               [ AC_MSG_ERROR([libfido2 not found]) ],
+               ], [ ],
                [ $OTHERLIBS ]
        )
 fi