change in Romance agreement to produce correct number for polite singular pronouns ; linking functions that involve mkClause now takes a long time and should be revised

src/french/MorphoFre.gf

@@ -177,7 +177,7 @@ oper
       <Sg,Fem>  => sa ;
       _         => ses
       } ;
-    a = {g = g ; n = n ; p = p} ;
+    a = Ag g n p ;
     hasClit = True
     } ;