The configure test for struct iovec #includes <sys/uio.h> but qemu-common.h did not.

This fixes compilation of hw/virtio.h on Mac OS X.
Signed-off-by: NAndreas Faerber <andreas.faerber@web.de>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5894 c046a42c-6fe2-441c-8c8c-71466251a162

qemu-common.h

@@ -35,6 +35,8 @@ struct iovec {
     void *iov_base;
     size_t iov_len;
 };
+#else
+#include <sys/uio.h>
 #endif
 
 #ifdef _WIN32