Snippets for libxml2 2.13.9 from Fedora ppc64le

Sourced from https://kojipkgs.fedoraproject.org/packages/libxml2/2.13.9/2.fc45/data/logs/ppc64le/build.log.

• HTMLparser.c:1395:9: warning: assignment discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
   1395 |     res = bsearch(&key, htmlStartClose,
        |         ^
  

• libxml.c:1523:43: warning: pointer targets in passing argument 1 of 'libxml_charPtrConstWrap' differ in signedness [-Wpointer-sign]
   1523 |         message = libxml_charPtrConstWrap(ptr);
        |                                           ^~~
        |                                           |
        |                                           unsigned char *
  

• testFuzzer.c:170:11: warning: 'docSize' may be used uninitialized [-Wmaybe-uninitialized]
    170 |     doc = xmlReadMemory(docBuffer, docSize, NULL, NULL,
        |           ^