style fix

src/os/unix/ngx_files.h

diff --git a/src/os/unix/ngx_files.h b/src/os/unix/ngx_files.h
index cf5c3ed..5395acd 100644
--- a/src/os/unix/ngx_files.h
+++ b/src/os/unix/ngx_files.h
@@ -18,13 +18,13 @@
 
 
 typedef struct {
-    DIR                        *dir;
-    struct dirent              *de;
-    struct stat                 info;
+    DIR                         *dir;
+    struct dirent               *de;
+    struct stat                  info;
 
-    unsigned                    type:8;
-    unsigned                    valid_info:1;
-    unsigned                    valid_type:1;
+    unsigned                     type:8;
+    unsigned                     valid_info:1;
+    unsigned                     valid_type:1;
 } ngx_dir_t;