Adjust -1 syntax for new Isabelle.

src/object/cnode.c

@@ -761,7 +761,7 @@ cteDeleteOne(cte_t* slot)
         bool_t final;
         finaliseCap_ret_t fc_ret UNUSED;
 
-        /** GHOSTUPD: "(gs_get_assn cteDeleteOne_'proc \<acute>ghost'state = -1
+        /** GHOSTUPD: "(gs_get_assn cteDeleteOne_'proc \<acute>ghost'state = (-1)
             \<or> gs_get_assn cteDeleteOne_'proc \<acute>ghost'state = \<acute>cap_type, id)" */
 
         final = isFinalCapability(slot);

src/object/interrupt.c

@@ -171,7 +171,7 @@ invokeIRQHandler_SetIRQHandler(irq_t irq, cap_t cap, cte_t *slot)
     cte_t *irqSlot;
 
     irqSlot = intStateIRQNode + irq;
-    /** GHOSTUPD: "(True, gs_set_assn cteDeleteOne_'proc -1)" */
+    /** GHOSTUPD: "(True, gs_set_assn cteDeleteOne_'proc (-1))" */
     cteDeleteOne(irqSlot);
     cteInsert(cap, slot, irqSlot);
 }
@@ -182,7 +182,7 @@ invokeIRQHandler_ClearIRQHandler(irq_t irq)
     cte_t *irqSlot;
 
     irqSlot = intStateIRQNode + irq;
-    /** GHOSTUPD: "(True, gs_set_assn cteDeleteOne_'proc -1)" */
+    /** GHOSTUPD: "(True, gs_set_assn cteDeleteOne_'proc (-1))" */
     cteDeleteOne(irqSlot);
 }