Silence harmless compiler warning.

diff --git a/src/lib/subs/show.c b/src/lib/subs/show.c
index b747690352bd6ca1e102594d62088f8c61f27e3d..9caccd8d7f46de7473fbe8261ba9cf3b9e9def62 100644 (file)
--- a/src/lib/subs/show.c
+++ b/src/lib/subs/show.c
@@ -699,7 +699,7 @@ show_sect_capab(int foo)
 
        pr("%c %-23s %-7s ", dchr[x].d_mnem, dchr[x].d_name,
           pchr[j].p_sname);
-       CANT_HAPPEN(MAXPRCON > 3); /* output has only three columns */
+       (void)CANT_HAPPEN(MAXPRCON > 3); /* output has only three columns */
        for (i = 0; i < 3; i++) {
            if (i < MAXPRCON
                && pchr[j].p_camt[i]