Remove claim that big-endian hosts are not supported; pkubaj says in …

…github issue 11 that it works.

README

@@ -1,5 +1,5 @@
 tumble: build a PDF file from image files
-Copyright 2003-2017 Eric Smith <[email protected]>
+Copyright 2003-2022 Eric Smith <[email protected]>
 
 Tumble is a utility to construct PDF files from one or more image
 files.  Supported input image file formats are JPEG, and black and
@@ -9,10 +9,6 @@ encoded in the PDF output using lossless Group 4 fax compression
 ratio for text and line art.  JPEG images will be preserved with the
 original coding.
 
-The current version of Tumble will only work on little-endian systems,
-such as x86, VAX, and Alpha.  The byte order dependencies will be fixed
-in a later release.
-
 The input and output files can be specified on the command line.
 Alternatively, a control file, typically with a ".tum" suffix, may be
 used which allows for more control over the files and options.

tumble_tiff.c

@@ -30,7 +30,7 @@
 
 #include <tiffio.h>
 /*
- * On the x86, libtiff defaults to bit-endian bit order for no good reason.
+ * On the x86, libtiff defaults to big-endian bit order for no good reason.
  * In theory, the '-L' (and maybe '-H') should give us little-endian bit
  * order, but it doesn't seem to work.  Thus we reverse the bits ourselves
  * after we read in the file.