Snippets for tiff 4.7.2 from Fedora i686

Sourced from https://kojipkgs.fedoraproject.org/packages/libtiff/4.7.2/1.fc45/data/logs/i686/build.log.

• ppm2tiff.c:396:43: warning: comparison of integer expressions of different signedness: ‘tmsize_t’ {aka ‘int’} and ‘unsigned int’ [-Wsign-compare]
    396 |     if (sample_count == 0 || sample_count > UINT_MAX)
        |                                           ^
  

• tiffdither.c:93:20: warning: comparison of integer expressions of different signedness: ‘uint32_t’ {aka ‘unsigned int’} and ‘tmsize_t’ {aka ‘int’} [-Wsign-compare]
     93 |     if (imagewidth > TIFFScanlineSize(in))
        |                    ^