fix some compiler warnings

/Audio.cpp:2254:14: warning: unused variable 'pos' [-Wunused-variable]
Audio.cpp:2538:25: warning: unused variable 'size' [-Wunused-variable]
Audio.cpp:2496:29: warning: unused variable 'seqNr' [-Wunused-variable]
Audio.cpp:2433:10: warning: unused variable 'f_entry' [-Wunused-variable]
Audio.cpp:2434:10: warning: variable 'f_ExtInf' set but not used [-Wunused-but-set-variable]
Audio.cpp:2435:9: warning: unused variable 'pos' [-Wunused-variable]
Audio.cpp:2436:11: warning: unused variable 'host' [-Wunused-variable]
Audio.cpp:2438:10: warning: variable 'f_StreamInf' set but not used [-Wunused-but-set-variable]
Audio.cpp:3440:38: warning: format '%s' expects a matching 'char*' argument [-Wformat=]
Audio.cpp:2496:29: warning: 'seqNr' defined but not used [-Wunused-variable]
Audio.cpp:3100:33: warning: '%s' directive writing up to 511 bytes into a region of size 492 [-Wformat-overflow=]

src/Audio.cpp

@@ -3,7 +3,7 @@
  *
  *  Created on: Oct 26.2018
  *
- *  Version 2.0.4
+ *  Version 2.0.4a
  *  Updated on: Jul 07.2022
  *      Author: Wolle (schreibfaul1)
  *
@@ -2493,7 +2493,6 @@ const char* Audio::parsePlaylist_M3U8(){
             // http://n3fa-e2.revma.ihrhls.com/zc7729/63_sdtszizjcjbz02/main/163374038.aac
             // #EXTINF:10,title="text=\"Spot Block End\" amgTrackId=\"9876543\"",artist=" ",url="length=\"00:00:00\""
             // http://n3fa-e2.revma.ihrhls.com/zc7729/63_sdtszizjcjbz02/main/163374039.aac
-            static uint32_t seqNr = 0;
             if(startsWith(m_playlistContent[i], "#EXT-X-MEDIA-SEQUENCE:")){
                 // do nothing, because MEDIA-SECUENCE is not set sometimes
             }
@@ -3437,7 +3436,7 @@ bool Audio::parseContentType(char* ct) {
             break;
         case CT_OGG:
             m_codec = CODEC_OGG;
-            if(m_f_Log) { AUDIO_INFO("ContentType %s, ContentType %s found", ct); }
+            if(m_f_Log) { AUDIO_INFO("ContentType %s found", ct); }
             break;
 
         case CT_PLS: