reshuffle included files to include config.h as first

config.h may contain defines like _FILE_OFFSET_BITS which influence
the system wide include files (off_t types, open -> open64 function
usage etc.).

Related: https://github.com/alsa-project/alsa-lib/pull/333
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

src/mixer/mixer.c

@@ -39,13 +39,13 @@ This is an abstraction layer over the hcontrol layer.
 
 */
 
+#include "mixer_local.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
 #include <fcntl.h>
 #include <sys/ioctl.h>
-#include "mixer_local.h"
 
 #ifndef DOC_HIDDEN
 typedef struct _snd_mixer_slave {

src/mixer/simple.c

@@ -29,6 +29,8 @@
  *
  */
 
+#include "mixer_local.h"
+#include "mixer_simple.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
@@ -36,9 +38,6 @@
 #include <fcntl.h>
 #include <sys/ioctl.h>
 #include <math.h>
-#include "config.h"
-#include "mixer_local.h"
-#include "mixer_simple.h"
 
 /**
  * \brief Register mixer simple element class

src/mixer/simple_abst.c

@@ -27,6 +27,8 @@
  *
  */
 
+#include "mixer_local.h"
+#include "mixer_simple.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
@@ -35,8 +37,6 @@
 #include <sys/ioctl.h>
 #include <math.h>
 #include <dlfcn.h>
-#include "mixer_local.h"
-#include "mixer_simple.h"
 
 #ifndef DOC_HIDDEN
 

src/mixer/simple_none.c

@@ -29,6 +29,8 @@
  *
  */
 
+#include "local.h"
+#include "mixer_simple.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
@@ -38,9 +40,6 @@
 #include <assert.h>
 #include <math.h>
 #include <limits.h>
-#include "local.h"
-#include "config.h"
-#include "mixer_simple.h"
 
 #ifndef DOC_HIDDEN