dolphin/Externals/XAudio2_7, branch stable

dolphin/Externals/XAudio2_7, branch stable GameCube and Wii emulator Add headers required by XAudio2_7 to externals. 2014-08-23T18:03:07+00:00 Shawn Hoffman godisgovernment@gmail.com 2014-08-23T01:18:37+00:00 1332805bb6c1ee892827f563f33fec851e038a18 This makes all builds' audio compatible with downlevel Windows and removes the need for developers to install the June 2010 DirectX SDK.

This makes all builds' audio compatible with downlevel Windows and removes
the need for developers to install the June 2010 DirectX SDK.