fix CPU_EQUAL macro in sched.h

(cherry picked from commit d146d4dc1104aa3472daf81d2581aca65df54d13)

include/sched.h

@@ -122,7 +122,7 @@ __CPU_op_func_S(XOR, ^)
 #define CPU_XOR(d,s1,s2) CPU_XOR_S(sizeof(cpu_set_t),d,s1,s2)
 #define CPU_COUNT(set) CPU_COUNT_S(sizeof(cpu_set_t),set)
 #define CPU_ZERO(set) CPU_ZERO_S(sizeof(cpu_set_t),set)
-#define CPU_EQUAL(set) CPU_EQUAL_S(sizeof(cpu_set_t),set)
+#define CPU_EQUAL(s1,s2) CPU_EQUAL_S(sizeof(cpu_set_t),s1,s2)
 
 #endif