The CLASSIFIER_FOR_EACH_EXACT_RULE_SAFE macro was missing its "MEMBER"
argument. It doesn't currently cause any problems because no one uses
the macro.
#define CLASSIFIER_FOR_EACH_EXACT_RULE(RULE, MEMBER, CLS) \
HMAP_FOR_EACH (RULE, MEMBER.node.hmap, &(CLS)->exact_table)
-#define CLASSIFIER_FOR_EACH_EXACT_RULE_SAFE(RULE, NEXT, CLS) \
+#define CLASSIFIER_FOR_EACH_EXACT_RULE_SAFE(RULE, NEXT, MEMBER, CLS) \
HMAP_FOR_EACH_SAFE (RULE, NEXT, MEMBER.node.hmap, &(CLS)->exact_table)
#endif /* classifier.h */