Fork of mbed-dev build 137, last build before FAT file system appears to be broken. Also reduced HSE timeout time in STM4XX HAL

Fork of mbed-dev by mbed official

Revision:
160:d5399cc887bb
Parent:
149:156823d33999
--- a/drivers/FileSystemLike.cpp	Tue Feb 28 17:13:35 2017 +0000
+++ b/drivers/FileSystemLike.cpp	Tue Mar 14 16:40:56 2017 +0000
@@ -29,7 +29,7 @@
     off_t n;
     struct dirent cur_entry;
 
-    BaseDirHandle() : n(0), cur_entry() {
+    BaseDirHandle() : DirHandle(0), n(0), cur_entry() {
     }
 
     virtual int closedir() {