winecoreaudio: Protect pthread.h inclusion

[Francois Gouget]

Changelog:

  * dlls/winmm/winecoreaudio/audio.c

    Francois Gouget <fgouget at codeweavers.com>
    Protect pthread.h inclusion.

-- 
Francois Gouget
fgouget at codeweavers.com

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Index: dlls/winmm/winecoreaudio/audio.c
===================================================================
RCS file: /home/wine/wine/dlls/winmm/winecoreaudio/audio.c,v
retrieving revision 1.10
diff -u -p -r1.10 audio.c
--- dlls/winmm/winecoreaudio/audio.c	1 Jun 2006 11:51:07 -0000	1.10
+++ dlls/winmm/winecoreaudio/audio.c	23 Jun 2006 15:56:14 -0000
@@ -32,7 +32,9 @@
 # include <unistd.h>
 #endif
 #include <fcntl.h>
-#include <pthread.h>
+#ifdef HAVE_PTHREAD_H
+# include <pthread.h>
+#endif
 
 #include "windef.h"
 #include "winbase.h"