fix(network): Move TransportMessageHeader to before it is used in NetworkDefs.h#2382

xezon merged 1 commit intoTheSuperHackers:mainTheSuperHackers/GeneralsGameCode:mainfrom

Mauller:Mauller/fix-nonretail-networkingMauller/CnC_Generals_Zero_Hour:Mauller/fix-nonretail-networkingCopy head branch name to clipboard