SCI32: Fix incorrect warnings about unlocking type 140

This type in SSCI corresponds to Wave resources, but since ScummVM
does not differentiate between Wave and Audio resources, just say
it's an Audio resource type, not an Invalid resource type.

engines/sci/resource.cpp

@@ -159,7 +159,7 @@ static const ResourceType s_resTypeMapSci21[] = {
 	kResourceTypeView, kResourceTypePic, kResourceTypeScript, kResourceTypeAnimation,     // 0x00-0x03
 	kResourceTypeSound, kResourceTypeEtc, kResourceTypeVocab, kResourceTypeFont,          // 0x04-0x07
 	kResourceTypeCursor, kResourceTypePatch, kResourceTypeBitmap, kResourceTypePalette,   // 0x08-0x0B
-	kResourceTypeInvalid, kResourceTypeAudio, kResourceTypeSync, kResourceTypeMessage,    // 0x0C-0x0F
+	kResourceTypeAudio, kResourceTypeAudio, kResourceTypeSync, kResourceTypeMessage,      // 0x0C-0x0F
 	kResourceTypeMap, kResourceTypeHeap, kResourceTypeChunk, kResourceTypeAudio36,        // 0x10-0x13
 	kResourceTypeSync36, kResourceTypeTranslation, kResourceTypeRobot, kResourceTypeVMD,  // 0x14-0x17
 	kResourceTypeDuck, kResourceTypeClut, kResourceTypeTGA, kResourceTypeZZZ              // 0x18-0x1B