Some audio fixes (no more mp3 clicking and popping?) (issue #217)

src/modules/sound/lullaby/Mpg123Decoder.cpp

@@ -129,6 +129,7 @@ namespace lullaby
 				continue;
 			case MPG123_NEED_MORE:
 				{
+					size += numbytes;
 					int v = feed(8192);
 
 					switch(v)

src/modules/sound/lullaby/VorbisDecoder.cpp

@@ -193,14 +193,14 @@ namespace lullaby
 			else if(result <= OV_EREAD)
 				return -1;
 			else if(result == 0)
+			{
+				eof = true;
 				break;
+			}
 			else if(result > 0)
 				size += result;
 		}
 
-		if(oggFile.dataSize - oggFile.dataRead == 0)
-			eof = true;
-
 		return size;
 	}