mpc: kill -Wextra warnings.

Author: Torsten Jager

contrib/libmpcdec/idtag.c

@@ -42,9 +42,11 @@
 mpc_int32_t
 JumpID3v2 (mpc_reader* r) {
     unsigned char  tmp [10];
+#if 0
     mpc_uint32_t   Unsynchronisation;   // ID3v2.4-flag
     mpc_uint32_t   ExtHeaderPresent;    // ID3v2.4-flag
     mpc_uint32_t   ExperimentalFlag;    // ID3v2.4-flag
+#endif
     mpc_uint32_t   FooterPresent;       // ID3v2.4-flag
     mpc_int32_t    ret;
 
@@ -60,9 +62,11 @@ JumpID3v2 (mpc_reader* r) {
         return 0;
 
     // read flags
+#if 0
     Unsynchronisation = tmp[5] & 0x80;
     ExtHeaderPresent  = tmp[5] & 0x40;
     ExperimentalFlag  = tmp[5] & 0x20;
+#endif
     FooterPresent     = tmp[5] & 0x10;
 
     if ( tmp[5] & 0x0F )

contrib/libmpcdec/mpc_decoder.c

@@ -125,7 +125,7 @@ static void mpc_decoder_bitstream_jump(mpc_decoder *d, const mpc_uint32_t bits)
     }
 }
 
-void mpc_decoder_update_buffer(mpc_decoder *d, mpc_uint32_t RING)
+static void mpc_decoder_update_buffer(mpc_decoder *d, mpc_uint32_t RING)
 {
     if ((RING ^ d->Zaehler) & MEMSIZE2 ) {
         // update buffer

contrib/libmpcdec/streaminfo.c

@@ -120,13 +120,16 @@ streaminfo_read_header_sv7(mpc_streaminfo * si, mpc_uint32_t HeaderData[8])
             break;
         }
     }
-
-    //    if ( si->peak_title == 0 )                                      // there is no correct peak_title contained within header
-    //        si->peak_title = (mpc_uint16_t)(Estimatedpeak_title * 1.18);
-    //    if ( si->peak_album == 0 )
-    //        si->peak_album = si->peak_title;                          // no correct peak_album, use peak_title
-
-    //si->sample_freq    = 44100;                                     // AB: used by all files up to SV7
+#if 0
+    if ( si->peak_title == 0 ) // there is no correct peak_title contained within header
+      si->peak_title = (mpc_uint16_t)(Estimatedpeak_title * 1.18);
+    if ( si->peak_album == 0 )
+      si->peak_album = si->peak_title; // no correct peak_album, use peak_title
+
+    si->sample_freq    = 44100; // AB: used by all files up to SV7
+#else
+    (void)Estimatedpeak_title;
+#endif
     si->channels = 2;
 
     return ERROR_CODE_OK;