We can't build without pthread.h so guarding it is not necessary
anymore.
#include "plugin.h"
#include "utils_cache.h"
#include "plugin.h"
#include "utils_cache.h"
-#if HAVE_PTHREAD_H
-# include <pthread.h>
-#endif
#ifdef HAVE_MATH_H
# include <math.h>
#ifdef HAVE_MATH_H
# include <math.h>
#include "meta_data.h"
#include "utils_time.h"
#include "meta_data.h"
#include "utils_time.h"
-#if HAVE_PTHREAD_H
-# include <pthread.h>
-#endif
#define PLUGIN_FLAGS_GLOBAL 0x0001
#define PLUGIN_FLAGS_GLOBAL 0x0001