selftests/futex: Increment ksft pass and fail counters

Add kselftest.h to logging.h and increment the pass and fail counters as
part of the print_result routine which is called by all futex tests.

Cc: Shuah Khan <[e-mail]>
Cc: [e-mail]
Cc: Ingo Molnar <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Thomas Gleixner <[e-mail]>
Cc: Davidlohr Bueso <[e-mail]>
Cc: KOSAKI Motohiro <[e-mail]>
Signed-off-by: Darren Hart <[e-mail]>
Signed-off-by: Shuah Khan <[e-mail]>

tools/testing/selftests/futex/functional/Makefile

···
-INCLUDES := -I../include
+INCLUDES := -I../include -I../../
 CFLAGS := $(CFLAGS) -g -O2 -Wall -D_GNU_SOURCE -pthread $(INCLUDES)
 LDFLAGS := $(LDFLAGS) -pthread -lrt
 

tools/testing/selftests/futex/include/logging.h

···
 #include <string.h>
 #include <unistd.h>
 #include <linux/futex.h>
+#include "kselftest.h"
 
 /*
  * Define PASS, ERROR, and FAIL strings with and without color escape
···
 
 	switch (ret) {
 	case RET_PASS:
+		ksft_inc_pass_cnt();
 		result = PASS;
 		break;
 	case RET_ERROR:
 		result = ERROR;
 		break;
 	case RET_FAIL:
+		ksft_inc_fail_cnt();
 		result = FAIL;
 		break;
 	}