brother_mfp: silence temp. parameter warnings upsetting the pipeline.

backend/brother_mfp-driver.cpp

@@ -44,8 +44,6 @@
 #include "brother_mfp-common.h"
 #include "brother_mfp-driver.h"
 
-extern "C" void sanei_debug_brother_mfp_call(int level, const char *msg, ...);
-
 /*
  * Protocol defines.
  *
@@ -71,9 +69,6 @@ const char* BrotherDriver::ScanModeToText (BrotherScanMode scan_mode)
   return scan_mode_text[scan_mode];
 }
 
-
-
-
 SANE_Status BrotherUSBDriver::Connect ()
 {
   SANE_Status res;

backend/brother_mfp-encoder.cpp

@@ -708,6 +708,13 @@ DecodeStatus BrotherJFIFDecoder::DecodeScanData (const SANE_Byte *src_data, size
                                                  size_t *src_data_consumed, SANE_Byte *dest_data,
                                                  size_t dest_data_len, size_t *dest_data_written)
 {
+  (void)src_data;
+  (void)src_data_len;
+  (void)src_data_consumed;
+  (void)dest_data;
+  (void)dest_data_len;
+  (void)dest_data_written;
+
   // TODO: finish me.
   return DECODE_STATUS_ERROR;