Previously jumps were treated as PAM_IGNORE in the freezing part of
the chain and PAM_OK (aka required) in the frozen part of the chain.
No one on pam-list was able to explain this behavior, so I changed it
to be consistent.

Index: pam.deb/libpam/pam_dispatch.c
===================================================================
--- pam.deb.orig/libpam/pam_dispatch.c
+++ pam.deb/libpam/pam_dispatch.c
@@ -251,19 +251,7 @@
 	    if ( _PAM_ACTION_IS_JUMP(action) ) {
 
 		/* If we are evaluating a cached chain, we treat this
-		   module as required (aka _PAM_ACTION_OK) as well as
-		   executing the jump. */
-
-		if (use_cached_chain) {
-		    if (impression == _PAM_UNDEF
-			|| (impression == _PAM_POSITIVE
-			    && status == PAM_SUCCESS) ) {
-                	if ( retval != PAM_IGNORE || cached_retval == retval ) {
-			    impression = _PAM_POSITIVE;
-                    	    status = retval;
-                	}
-		    }
-		}
+		   module as ignored as well as executing the jump. */
 
 		/* this means that we need to skip #action stacked modules */
 		while (h->next != NULL && h->next->stack_level >= stack_level && action > 0) {