Ignore trailing spaces in DOSFS_ToDosFCBFormat.

files/dos_fs.c

diff --git a/files/dos_fs.c b/files/dos_fs.c
index a77b2b9..fe470a7 100644
--- a/files/dos_fs.c
+++ b/files/dos_fs.c
@@ -244,7 +244,7 @@
     /* at most 3 character of the extension are processed
      * is something behind this ? 
      */
-    if (*p == '*') p++; /* skip wildcard */
+    while (*p == '*' || *p == ' ') p++; /* skip wildcards and spaces */
     return IS_END_OF_NAME(*p);
 }