ShellPkg: Fix the coding style issue

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
diff --git a/ShellPkg/Application/Shell/FileHandleWrappers.c b/ShellPkg/Application/Shell/FileHandleWrappers.c
index 9a75a68..18f4169 100644
--- a/ShellPkg/Application/Shell/FileHandleWrappers.c
+++ b/ShellPkg/Application/Shell/FileHandleWrappers.c
@@ -298,8 +298,8 @@
   @param[in]  InputString       The command line to expand.

   @param[in]  StringLen         Length of the command line.

   @param[in]  BufferSize        Buffer size.

-  @param[out] TabCompletionList Return the TAB completion list.

-  @param[out] TabUpdatePos      Return the TAB update position.

+  @param[in, out] TabCompletionList Return the TAB completion list.

+  @param[in, out] TabUpdatePos      Return the TAB update position.

 **/

 EFI_STATUS

 CreateTabCompletionList (