UEFI2.1B corrects the guid value of gEfiManagedNetworkProtocolGuid.
ECP package updates its value in ManagedNetwork.h, but miss the one
in EdkIIGlueLib.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19654 6f19259b-4bc3-4df7-8a09-765794883524