mciavi32: Initialize return value (clang)

[André Hentschel]

in case dwFlags has some unexpected value
---
 dlls/mciavi32/info.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/mciavi32/info.c b/dlls/mciavi32/info.c
index 668464c..666c0e3 100644
--- a/dlls/mciavi32/info.c
+++ b/dlls/mciavi32/info.c
@@ -74,7 +74,7 @@ DWORD 	MCIAVI_ConvertTimeFormatToFrame(WINE_MCIAVI* wma, DWORD val)
 DWORD	MCIAVI_mciGetDevCaps(UINT wDevID, DWORD dwFlags,  LPMCI_GETDEVCAPS_PARMS lpParms)
 {
     WINE_MCIAVI*	wma = MCIAVI_mciGetOpenDev(wDevID);
-    DWORD		ret;
+    DWORD		ret = MCIERR_UNSUPPORTED_FUNCTION;
 
     TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
 
-- 

Best Regards, André Hentschel