ShellPkg: Correct 3 places where memory was not being properly released by the shell.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jaben Carsey <jaben.carsey@intel.com>
Reviewed-by: Erik Bjorge <erik.c.bjorge@intel.com>
Reviewed-by: Liu, Jiang A <jiang.a.liu@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13938 6f19259b-4bc3-4df7-8a09-765794883524

ShellPkg/Application/Shell/ShellParametersProtocol.c

@@ -192,6 +192,7 @@ ParseCommandLineToArgs(
   //
   (*Argv) = AllocateZeroPool((Count)*sizeof(CHAR16*));
   if (*Argv == NULL) {
+    SHELL_FREE_NON_NULL(TempParameter);
     return (EFI_OUT_OF_RESOURCES);
   }
 
@@ -207,6 +208,7 @@ ParseCommandLineToArgs(
     (*Argc)++;
   }
   ASSERT(Count >= (*Argc));
+  SHELL_FREE_NON_NULL(TempParameter);
   return (EFI_SUCCESS);
 }