use lstat() for WebDAV DELETE, COPY, and MOVE to handle symlinks
diff --git a/src/os/unix/ngx_files.h b/src/os/unix/ngx_files.h
index f41eba5..c40cfe2 100644
--- a/src/os/unix/ngx_files.h
+++ b/src/os/unix/ngx_files.h
@@ -139,6 +139,9 @@
#define ngx_fd_info(fd, sb) fstat(fd, sb)
#define ngx_fd_info_n "fstat()"
+#define ngx_link_info(file, sb) lstat((const char *) file, sb)
+#define ngx_link_info_n "lstat()"
+
#define ngx_is_dir(sb) (S_ISDIR((sb)->st_mode))
#define ngx_is_file(sb) (S_ISREG((sb)->st_mode))
#define ngx_is_link(sb) (S_ISLNK((sb)->st_mode))
