Fix passing of user's encoding choice

src/bin/sfdoc

@@ -102,7 +102,7 @@ main() {
         exp)    # --export
             grep -qw "$format" <<<manpage,markdown,pod \
              || die "unknown format: $format"
-            sfdoc__export "$format" "${RealModuleName:-$module}" "$mpath"
+            sfdoc__export "$format" "${RealModuleName:-$module}" "$mpath" "$encoding"
             ;;
         lsm)    # --lsmod
             sfdoc__ls_m | LC_ALL=C sort
@@ -128,7 +128,7 @@ main() {
         man)
             which pod2man &>/dev/null \
              || die "pod2man is missing cannot use man page mode"
-            sfdoc__export manpage "${RealModuleName:-$module}" "$mpath" \
+            sfdoc__export manpage "${RealModuleName:-$module}" "$mpath" "$encoding" \
               | man -l -
             ;;
         wch)