Move @file comment

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

include/maxscale/server.h

@@ -14,10 +14,6 @@
  * Public License.
  */
 
-#include <maxscale/cdefs.h>
-#include <maxscale/dcb.h>
-#include <maxscale/resultset.h>
-
 /**
  * @file service.h
  *
@@ -47,6 +43,10 @@
  * @endverbatim
  */
 
+#include <maxscale/cdefs.h>
+#include <maxscale/dcb.h>
+#include <maxscale/resultset.h>
+
 MXS_BEGIN_DECLS
 
 #define MAX_SERVER_NAME_LEN 1024