--- gpr_read_image.cpp.orig	2019-08-30 12:20:00.326653300 +0300
+++ gpr_read_image.cpp	2019-08-31 10:43:26.568184100 +0300
@@ -67,6 +67,10 @@
     fDecodeVC5 = true;
 }
 
 void gpr_read_image::ReadTile (dng_host &host,
                                    const dng_ifd &ifd,
                                    dng_stream &stream,
@@ -77,7 +81,8 @@
                                    uint32 tileByteCount,
                                    AutoPtr<dng_memory_block> &compressedBuffer,
                                    AutoPtr<dng_memory_block> &uncompressedBuffer,
-                                   AutoPtr<dng_memory_block> &subTileBlockBuffer)
+                                   AutoPtr<dng_memory_block> &subTileBlockBuffer,
+								   bool usingMultipleThreads)
 {
     
     if( ifd.fCompression == ccVc5 )
@@ -122,7 +127,8 @@
                                   tileByteCount,
                                   compressedBuffer,
                                   uncompressedBuffer,
-                                  subTileBlockBuffer);
+                                  subTileBlockBuffer,
+								  usingMultipleThreads);
     }
 }