MdeModulePkg SetupBrowserDxe: Save global variable values before nest function called.

The SendForm function can be called nest in it. This function also uses some global variables. So we must save global variable values before it been called again.

Old implementation miss to save some global variables, this patch fixed it.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18650 6f19259b-4bc3-4df7-8a09-765794883524
2 files changed