squash a -Wunused-parameter

diff --git a/lib/expr/exeval.c b/lib/expr/exeval.c
index 5355497851b00ebc6b91cad14f8574954117a765..c20c98a5ff8df60bd65f51c1581cf177850d9e55 100644 (file)
--- a/lib/expr/exeval.c
+++ b/lib/expr/exeval.c
@@ -444,6 +444,8 @@ scformat(Sfio_t* sp, void* vp, Sffmt_t* dp)
        Fmt_t*          fmt = (Fmt_t*)dp;
        Exnode_t*       node;
 
+       (void)sp;
+
        if (!fmt->actuals)
        {
                exerror("scanf: not enough arguments");