Fixed music playback after coming back from the intro cutscene

Author: Interrupt

src/GameSrc/audiolog.c

@@ -234,6 +234,10 @@ void audiolog_stop() {
     }
     */
 
+    if(alog_fn < 0) {
+        return;
+    }
+
     if (alog_fn >= 0)
     {
         ResCloseFile(alog_fn);

src/GameSrc/cutsloop.c

@@ -122,6 +122,7 @@ void cutscene_start() {
 
 void cutscene_exit() {
 	DEBUG("Cutscene exit");
+	MacTuneKillCurrentTheme();
 }
 
 void cutscene_loop() {

src/GameSrc/setup.c

@@ -1283,9 +1283,7 @@ void setup_start() {
         }
     }
     if (!start_first_time) {
-        //      start_setup_sound();
         closedown_game(TRUE);
-        start_setup_sound(0);
     }
     start_first_time = FALSE;