Fix linux build

Signed-off-by: falkTX <falktx@falktx.com>

patches/portaudio19/04_jackbridge-mod-desktop.patch

@@ -16,7 +16,7 @@ new file mode 100644
 index 0000000..facfb53
 --- /dev/null
 +++ b/src/hostapi/jack/JackBridge.c
-@@ -0,0 +1,1821 @@
+@@ -0,0 +1,1822 @@
 +/*
 + * JackBridge for DPF
 + * Copyright (C) 2013-2022 Filipe Coelho <falktx@falktx.com>
@@ -41,6 +41,7 @@ index 0000000..facfb53
 +# define JACKSYM_API
 +#endif
 +
++#define __USE_GNU
 +#include <dlfcn.h>
 +#include <errno.h>
 +typedef void* lib_t;