Move @file comment

Where it exists, the @file comment has now been moved to be
consistently right after the license blurb.

include/maxscale/config.h

@@ -14,12 +14,6 @@
  * Public License.
  */
 
-#include <maxscale/cdefs.h>
-#include <maxscale/skygw_utils.h>
-#include <sys/utsname.h>
-#include <stdint.h>
-#include <openssl/sha.h>
-#include <maxscale/spinlock.h>
 /**
  * @file config.h The configuration handling elements
  *
@@ -36,6 +30,13 @@
  * @endverbatim
  */
 
+#include <maxscale/cdefs.h>
+#include <maxscale/skygw_utils.h>
+#include <sys/utsname.h>
+#include <stdint.h>
+#include <openssl/sha.h>
+#include <maxscale/spinlock.h>
+
 MXS_BEGIN_DECLS
 
 #define DEFAULT_NBPOLLS         3       /**< Default number of non block polls before we block */