Experimental commit for issue #337; valgrind fixes.

src/main.cpp

@@ -41,6 +41,7 @@
 #include "HtmlHelper.hpp"
 #include <thread>
 #include <atomic>
+#include "AlsaDriver.hpp"
 
 #include <signal.h>
 #include <semaphore.h>
@@ -422,6 +423,8 @@ int main(int argc, char *argv[])
         }
         Lv2Log::info("Shutdown complete.");
 
+        FreeAlsaGlobals();
+
         if (systemd)
         {
             sd_notify(0, "STOPPING=1");