Fixes from master

src/audio/sampman_null.cpp

@@ -148,20 +148,20 @@ cSampleManager::UnloadSampleBank(uint8 nBank)
 	ASSERT( nBank < MAX_SFX_BANKS );
 }
 
-bool8
+int8
 cSampleManager::IsSampleBankLoaded(uint8 nBank)
 {
 	ASSERT( nBank < MAX_SFX_BANKS );
 
-	return FALSE;
+	return LOADING_STATUS_NOT_LOADED;
 }
 
-bool8
+uint8
 cSampleManager::IsMissionAudioLoaded(uint8 nSlot, uint32 nSample)
 {
 	ASSERT(nSlot < MISSION_AUDIO_COUNT);
 
-	return FALSE;
+	return LOADING_STATUS_NOT_LOADED;
 }
 
 bool8
@@ -172,12 +172,12 @@ cSampleManager::LoadMissionAudio(uint8 nSlot, uint32 nSample)
 	return FALSE;
 }
 
-bool8
+uint8
 cSampleManager::IsPedCommentLoaded(uint32 nComment)
 {
 	ASSERT( nComment < TOTAL_AUDIO_SAMPLES );
 
-	return FALSE;
+	return LOADING_STATUS_NOT_LOADED;
 }