Fix definition of oplist for containers:

if no argument is given, it shall behave as if it was defined with
a standard C type.

m-prioqueue.h

@@ -41,7 +41,7 @@
    USAGE: PRIOQUEUE_OPLIST(name[, oplist of the type]) */
 #define PRIOQUEUE_OPLIST(...)                                           \
   PRIOQUEUEI_OPLIST(M_IF_NARGS_EQ1(__VA_ARGS__)                         \
-                    ((__VA_ARGS__, M_GLOBAL_OPLIST_OR_DEF(__VA_ARGS__)() ), \
+                    ((__VA_ARGS__, M_DEFAULT_OPLIST),			\
                      (__VA_ARGS__ )))