WIP: fix compilation issues

public/mathlib/mathlib.h

@@ -250,6 +250,14 @@ struct matrix3x4_t
 	float m_flMatVal[3][4];
 };
 
+class ALIGN16 matrix3x4a_t : public matrix3x4_t
+{
+public:
+	/*
+	matrix3x4a_t() { if (((size_t)Base()) % 16 != 0) { Error( "matrix3x4a_t missaligned" ); } }
+	*/
+	matrix3x4a_t& operator=( const matrix3x4_t& src ) { memcpy( Base(), src.Base(), sizeof( float ) * 3 * 4 ); return *this; };
+};
 
 #ifndef M_PI
 	#define M_PI		3.14159265358979323846	// matches value in gcc v2 math.h