BuildDeps.cmd: fix bug in cd'ing to the assimp dir. Use /p:platform="%VS_PLATFORM% explicitly for defining the platform for MSBuild calls for all non-CMake projects.
BuildDeps.cmd: fix bug in cd'ing to the assimp dir. Use /p:platform="%VS_PLATFORM% explicitly for defining the platform for MSBuild calls for all non-CMake projects.

realXtend/tundra,pharos3d/tundra,pharos3d/tundra,BogusCurry/tundra,AlphaStaxLLC/tundra,jesterKing/naali,BogusCurry/tundra,AlphaStaxLLC/tundra,jesterKing/naali,realXtend/tundra,pharos3d/tundra,AlphaStaxLLC/tundra,pharos3d/tundra,BogusCurry/tundra,BogusCurry/tundra,jesterKing/naali,pharos3d/tundra,realXtend/tundra,pharos3d/tundra,jesterKing/naali,jesterKing/naali,jesterKing/naali,BogusCurry/tundra,jesterKing/naali,realXtend/tundra,realXtend/tundra,AlphaStaxLLC/tundra,AlphaStaxLLC/tundra,realXtend/tundra,AlphaStaxLLC/tundra,BogusCurry/tundra