Enable the "#include <QAudio>" camel-case header (regression)

The header was available in Qt 4, but somehow went missing.

Change-Id: I5e54921afd6e196d67db797331a0b0093f41ce34
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Stephen Kelly <stephen.kelly@kdab.com>

sync.profile

@@ -8,6 +8,7 @@
 );
 
 %classnames = (
+    "qaudio.h" => "QAudio",
     "qmediametadata.h" => "QMediaMetaData",
     "qmultimedia.h" => "QMultimedia"
 );