Use waveaudio, not waveform.

diff --git a/dlls/winmm/winmm_res.rc b/dlls/winmm/winmm_res.rc
index affde70..c52b667 100644
--- a/dlls/winmm/winmm_res.rc
+++ b/dlls/winmm/winmm_res.rc
@@ -804,7 +804,7 @@
 MCI_DEVTYPE_ANIMATION,		"animation"
 MCI_DEVTYPE_DIGITAL_VIDEO,	"digitalvideo"
 MCI_DEVTYPE_OTHER,		"other"
-MCI_DEVTYPE_WAVEFORM_AUDIO,	"waveform"
+MCI_DEVTYPE_WAVEFORM_AUDIO,	"waveaudio"
 MCI_DEVTYPE_SEQUENCER,		"sequencer"
 
 MCI_MODE_NOT_READY,		"not ready"