Style.

src/os/win32/ngx_files.c

diff --git a/src/os/win32/ngx_files.c b/src/os/win32/ngx_files.c
index 11d9c35..ee846cd 100644
--- a/src/os/win32/ngx_files.c
+++ b/src/os/win32/ngx_files.c
@@ -722,7 +722,7 @@
             if (ch == ':') {
                 goto invalid;
             }
-       
+
             if (ch == '.' || ch == ' ') {
                 break;
             }