winmm: Fix midiOutSetVolume spec file entry

[André Hentschel]

Signed-off-by: André Hentschel <nerv at dawncrow.de>
---
 dlls/winmm/winmm.spec | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/winmm/winmm.spec b/dlls/winmm/winmm.spec
index a1eaf81..3d5272c 100644
--- a/dlls/winmm/winmm.spec
+++ b/dlls/winmm/winmm.spec
@@ -88,7 +88,7 @@
 @ stdcall midiOutOpen(ptr long long long long)
 @ stdcall midiOutPrepareHeader(long ptr long)
 @ stdcall midiOutReset(long)
-@ stdcall midiOutSetVolume(long ptr)
+@ stdcall midiOutSetVolume(long long)
 @ stdcall midiOutShortMsg(long long)
 @ stdcall midiOutUnprepareHeader(long ptr long)
 @ stdcall midiStreamClose(long)
-- 
2.7.4