let the active locale work its magic

http://bugs.gentoo.org/146315
http://bugs.gentoo.org/259176

--- man-1.6f/configure
+++ man-1.6f/configure
@@ -473,9 +473,9 @@
   then
     if test $Fnroff = "missing"
     then
-      nroff="nroff -Tlatin1 -mandoc"
+      nroff="nroff -Tascii -c -mandoc"
     else
-      nroff="$Fnroff -Tlatin1 -mandoc"
+      nroff="$Fnroff -mandoc"
     fi
     troff="troff -mandoc"
     echo "Warning: could not find groff"
@@ -484,9 +484,9 @@
     then
       nroff="$Fgroff -Tlatin1 -mandoc"
     else
-      nroff="$Fnroff -Tlatin1 -mandoc"
+      nroff="$Fnroff -mandoc -- -k"
     fi
-    troff="$Fgroff -Tps -mandoc"
+    troff="$Fgroff -Tps -mandoc -k"
     jnroff="$Fgroff -Tnippon -mandocj"
   fi
   eqn="$Fgeqn -Tps"