xaudio2_7: Add a trailing '\n' to an ERR() message.

Signed-off-by: Francois Gouget <fgouget@free.fr>
Signed-off-by: Andrew Eikum <aeikum@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/xaudio2_7/xapo.c

@@ -337,7 +337,7 @@ static inline HRESULT get_fapo_from_clsid(REFCLSID clsid, FAPO **fapo)
             XAudio_Internal_Realloc
         );
 #endif
-    ERR("Invalid XAPO CLSID!");
+    ERR("Invalid XAPO CLSID!\n");
     return E_INVALIDARG;
 }