!977 Fixed compilation problems with niobe407 and neptune100

Merge pull request !977 from 张亚雷/master

components/fs/vfs/vfs_fs.c

@@ -34,6 +34,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <stdarg.h>
+#include <stdbool.h>
 #include <unistd.h>
 #include <sys/uio.h>
 #include "errno.h"