style fix
diff --git a/auto/os/features b/auto/os/features
index 5fcbf7f..ecb210d 100644
--- a/auto/os/features
+++ b/auto/os/features
@@ -98,7 +98,7 @@
ngx_feature_name="NGX_HAVE_TIMER_EVENT"
ngx_feature_run=yes
ngx_feature_incs="#include <sys/event.h>
-#include <sys/time.h>"
+ #include <sys/time.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="int kq;
diff --git a/auto/os/linux b/auto/os/linux
index 3c2c841..580a92a 100644
--- a/auto/os/linux
+++ b/auto/os/linux
@@ -65,7 +65,7 @@
ngx_feature_name="NGX_HAVE_SENDFILE"
ngx_feature_run=yes
ngx_feature_incs="#include <sys/sendfile.h>
-#include <errno.h>"
+ #include <errno.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="int s = 0, fd = 1;
@@ -86,7 +86,7 @@
ngx_feature_name="NGX_HAVE_SENDFILE64"
ngx_feature_run=yes
ngx_feature_incs="#include <sys/sendfile.h>
-#include <errno.h>"
+ #include <errno.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="int s = 0, fd = 1;
diff --git a/auto/unix b/auto/unix
index 7d6e480..447b0e2 100755
--- a/auto/unix
+++ b/auto/unix
@@ -190,8 +190,8 @@
ngx_feature_name="NGX_HAVE_MAP_DEVZERO"
ngx_feature_run=yes
ngx_feature_incs="#include <sys/mman.h>
-#include <sys/stat.h>
-#include <fcntl.h>"
+ #include <sys/stat.h>
+ #include <fcntl.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test='void *p; int fd;
@@ -205,7 +205,7 @@
ngx_feature_name="NGX_HAVE_SYSVSHM"
ngx_feature_run=yes
ngx_feature_incs="#include <sys/ipc.h>
-#include <sys/shm.h>"
+ #include <sys/shm.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="int id;
@@ -229,7 +229,7 @@
ngx_feature_name="NGX_HAVE_FIONBIO"
ngx_feature_run=no
ngx_feature_incs="#include <sys/ioctl.h>
-$NGX_INCLUDE_SYS_FILIO_H"
+ $NGX_INCLUDE_SYS_FILIO_H"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="int i; i = FIONBIO"
