fix windows build scripts, add windows opus support

vphysics/physics_collide.cpp

@@ -1637,8 +1637,8 @@ void CPhysicsCollision::VCollideLoad( vcollide_t *pOutput, int solidCount, const
 
 	for ( int i = 0; i < solidCount; i++ )
 	{
-		int size;
-		memcpy( &size, pBuffer + position, sizeof(int) );
+		int size = *(int*)(pBuffer + position);
+		// memcpy( &size, pBuffer + position, sizeof(int) );
 		position += sizeof(int);
 
 		char *tmpbuf = new char[size];

vphysics/wscript

@@ -39,8 +39,8 @@ def build(bld):
 		'physics_virtualmesh.cpp',
 		'trace.cpp',
 		'vcollide_parse.cpp',
-		'vphysics_saverestore.cpp'
-
+		'vphysics_saverestore.cpp',
+		'../public/tier0/memoverride.cpp'
 	]
 
 	includes = [