ShellPkg: Skip leading tabs when processing command line and scripts

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chris Phillips <chrisp@hp.com>
reviewed-by: Jaben Carsey <jaben.carsey@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14850 6f19259b-4bc3-4df7-8a09-765794883524

ShellPkg/Application/Shell/Shell.c

@@ -1415,9 +1415,9 @@ RunCommand(
   }
 
   //
-  // Remove any spaces at the beginning of the string.
+  // Remove any spaces and tabs at the beginning of the string.
   //
-  while (CleanOriginal[0] == L' ') {
+  while ((CleanOriginal[0] == L' ') || (CleanOriginal[0] == L'\t')) {
     CopyMem(CleanOriginal, CleanOriginal+1, StrSize(CleanOriginal) - sizeof(CleanOriginal[0]));
   }