macos: Add missing import statement

Add missing import of util.h. This fixes a build failure with the
Xcode 12 command line tools which manifests as follows:

  error: implicit declaration of function 'pa_thread_make_realtime'
  is invalid in C99 [-Werror,-Wimplicit-function-declaration]

Ref https://trac.macports.org/ticket/61107

diff --git a/src/modules/macosx/module-coreaudio-device.c b/src/modules/macosx/module-coreaudio-device.c
index b9dffb937f8e88ef572400d0deed7a6142379f61..9bdac111f56bb30099b51541b7188cb474a49f4a 100644 (file)
--- a/src/modules/macosx/module-coreaudio-device.c
+++ b/src/modules/macosx/module-coreaudio-device.c
@@ -27,6 +27,7 @@
 #include <config.h>
 #endif
 
+#include <pulse/util.h>
 #include <pulse/xmalloc.h>
 
 #include <pulsecore/sink.h>