CommandLineToArgvW() returns a LPWSTR*, storing to const LPWSTR* is
incorrect without a cast; fixes gcc -Wincompatible-pointer-types
and clang(-cl) -Wincompatible-pointer-types-discads-qualifiers warnings
Change-Id: Iad5b49c4862c7be68251272e50d3c751099559bc
(cherry picked from commit 2b7214ab994a9c6f473b5c97c9ad3868d7cb5c90)