message: Fix possible uninitialized memory in libtiff
diff: @@ -3707,7 +3707,7 @@ TIFFReadDirectory(TIFF* tif)
  case TIFFTAG_SMAXSAMPLEVALUE:
  {
  - double *data;
  + double *data = 0;
  enum TIFFReadDirEntryErr err;
  uint32 saved_flags;
  int m;
  