FTBFS in servparse

[mcepl]

With dictd from the commit c480a4c while building the package for OpenSUSE:

[   16s] lex  -t servscan.l > servscan.c
[   16s] yacc   -d servparse.y
[   16s] mv y.tab.c servparse.c
[   16s] mv y.tab.h servparse.h
[   16s] cc -I/home/abuild/rpmbuild/BUILD/dictd-1.13.1+git.1714073710.c480a4c/libdictd -I/home/abuild/rpmbuild/BUILD/dictd-1.13.1+git.1714073710.c480a4c/libcommon -O2 -Wall -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3 -fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables -fstack-clash-protection -Werror=return-type -flto=auto -g -fPIC -DUSE_PLUGIN=1 -I/home/abuild/rpmbuild/BUILD/dictd-1.13.1+git.1714073710.c480a4c/dictdplugins/include -I/home/abuild/rpmbuild/BUILD/dictd-1.13.1+git.1714073710.c480a4c/libdictd  -I/home/abuild/rpmbuild/BUILD/dictd-1.13.1+git.1714073710.c480a4c/dictd -I/home/abuild/rpmbuild/BUILD/dictd-1.13.1+git.1714073710.c480a4c/libcommon  -D_DICT_VERSION=2.0.0 -D_DICT_CONFIG_PATH=/etc -D_DICT_PLUGIN_PATH=/usr/libexec -D_DICT_DICTIONARY_PATH=/usr/share -DHAVE_FUNC2_GETGROUPS_UNISTD_H=1 -D_GNU_SOURCE -D_GNU_SOURCE -D_MKC_CHECK_PROGNAME -D_MKC_CHECK_MACRO -D_MKC_CHECK_ERR -D_MKC_CHECK_STRLCPY -D_MKC_CHECK_STRLCAT -D_MKC_CHECK_STRNDUP -D_MKC_CHECK_REALLOCARR -D_MKC_CHECK_STRTOI -D_MKC_CHECK_STRTOU -D_MKC_CHECK_EFUN -DHAVE_VAR_PROGRAM_INVOCATION_SHORT_NAME_ERRNO_H=1 -DCUSTOM_ATTRIBUTE_NORETURN=1 -DCUSTOM_ATTRIBUTE_PURE=1 -DCUSTOM_ATTRIBUTE_PRINTFLIKE=1 -DCUSTOM_ATTRIBUTE_CONST=1 -DCUSTOM_ATTRIBUTE_ALWAYS_INLINE=1 -DCUSTOM_ATTRIBUTE_ALIGNED=1 -DHAVE_HEADER_ERR_H=1 -DHAVE_FUNC3_ERR_ERR_H=1 -DHAVE_FUNC3_ERRX_ERR_H=1 -DHAVE_PROTOTYPE_VERR=1 -DHAVE_PROTOTYPE_VERRX=1 -DHAVE_FUNC3_STRLCPY_STRING_H=1 -DHAVE_FUNC3_STRLCAT_STRING_H=1 -DHAVE_FUNC2_STRNDUP_STRING_H=1 -I/usr/share/mk-configure/features     -Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wswitch -Wshadow -Wcast-qual -Wwrite-strings -Wno-unused-parameter    -Werror     -Wno-error=unused-function -Wno-error=unused-const-variable -Wno-error=format-truncation -erroff=E_STATEMENT_NOT_REACHED -Wno-error=deprecated-declarations -DMKC_ERR_IS_FINE   -c -o dictd.o -O2 -Wall -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3 -fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables -fstack-clash-protection -Werror=return-type -flto=auto -g -fPIC  dictd.c
[   16s] dictd.c: In function ‘init_plugin’:
[   16s] dictd.c:769:28: error: cast discards ‘const’ qualifier from pointer target type [-Werror=cast-qual]
[   16s]   769 |         dictDatabase *db = (dictDatabase *)datum;
[   16s]       |                            ^
[   16s] dictd.c: In function ‘close_plugin’:
[   16s] dictd.c:1004:29: error: cast discards ‘const’ qualifier from pointer target type [-Werror=cast-qual]
[   16s]  1004 |         dictDatabase  *db = (dictDatabase *)datum;
[   16s]       |                             ^
[   16s] cc1: all warnings being treated as errors

Complete build log