Security update for chmlib

This update for chmlib fixes the following issues:

- CVE-2025-48172: Fixed integer overflow in _chm_decompress_block of chm_lib.c, that could lead to heap buffer overflow (boo#1245803).

Fixed bugs
bnc#1245803
VUL-0: CVE-2025-48172: chmlib: integer overflow in _chm_decompress_block of chm_lib.c can lead to heap buffer overflow
Selected Binaries
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