Include <pthread.h> where it is necessary only

src/decoder_thread.c

@@ -28,6 +28,7 @@
 #include "log.h"
 #include "ls.h"
 
+#include <pthread.h>
 #include <glib.h>
 
 static bool

src/dirvec.c

@@ -5,6 +5,7 @@
 
 #include <string.h>
 #include <glib.h>
+#include <pthread.h>
 
 static pthread_mutex_t nr_lock = PTHREAD_MUTEX_INITIALIZER;
 

src/log.c

@@ -32,7 +32,6 @@
 #include <time.h>
 #include <unistd.h>
 #include <errno.h>
-#include <pthread.h>
 #include <glib.h>
 
 #ifdef HAVE_SYSLOG

src/os_compat.h

@@ -48,7 +48,6 @@
 #include <errno.h>
 #include <assert.h>
 #include <sys/param.h>
-#include <pthread.h>
 #include <sys/ioctl.h>
 #include <ctype.h>
 #include <stdarg.h>

src/output_control.c

@@ -22,7 +22,6 @@
 #include "output_thread.h"
 #include "pcm_utils.h"
 
-#include <pthread.h>
 #include <assert.h>
 #include <stdlib.h>