update clamav to 0.98
Code quality fixes in libclamav, clamd, sigtool, clamav-milter,
clamconf, and clamdtop. Code quality fixes in libclamav, libclamunrar
and freshclam. Valgrind suppression rules for dl_catch_error complaints.
bb #8385: a PDF ASCII85Decode zero-length fix.
libclamav: SCAN_ALL mode
fixes. bb #7436: elf64 header early exit. iso9660: iso_scan_file
rewrite.
- Submitted by Wolfgang Rosenauer (wrosenauer)
Fixed bugs
bnc#841815
VUL-1: clamav: version 0.98.1