[WINMM/MMIO] Default to FOURCC_DOS if no IOProc found.

[Christian Costa]

Hi,

When an app has not installed any IOProc handler, finding the right 
FOURCC from the file extension does not help.
In this case, we should default to FOURCC.

Changelog :
Default to FOURCC_DOS if no IOProc found.

Christian Costa   titan.costa at wanadoo.fr
-------------- next part --------------
Index: mmio.c
===================================================================
RCS file: /home/wine/wine/dlls/winmm/mmio.c,v
retrieving revision 1.44
diff -u -r1.44 mmio.c
--- mmio.c	5 Mar 2004 20:43:40 -0000	1.44
+++ mmio.c	15 Mar 2004 20:55:43 -0000
@@ -633,7 +633,12 @@
 	/* Handle any unhandled/error case. Assume DOS file */
 	if (wm->info.fccIOProc == 0)
 	    wm->info.fccIOProc = FOURCC_DOS;
-	if (!(wm->ioProc = MMIO_FindProcNode(wm->info.fccIOProc))) goto error2;
+	if (!(wm->ioProc = MMIO_FindProcNode(wm->info.fccIOProc))) {
+	    /* If not found, retry with FOURCC_DOS */
+	    wm->info.fccIOProc = FOURCC_DOS;
+	    if (!(wm->ioProc = MMIO_FindProcNode(wm->info.fccIOProc)))
+		goto error2;
+	}
 	wm->bTmpIOProc = FALSE;
     }
     /* if just the four character code is present, look up IO proc */