regression on -current with dconf-editor

The "serial killer app" meson-0.60.0 made a new victim dconf-editor:

dconf-editor doesn't build anymore on -current
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The Meson build system
Version: 0.60.0
Source dir: /tmp/dconf-editor-3.38.3
Build dir: /tmp/dconf-editor-3.38.3/build
Build type: native build
Project name: dconf-editor
Project version: 3.38.3
C compiler for the host machine: ccache cc (gcc 11.2.0 "cc (GCC) 11.2.0")
C linker for the host machine: cc ld.bfd 2.37-slack15
Vala compiler for the host machine: valac (valac 0.54.2)
Host machine cpu family: x86_64
Host machine cpu: x86_64
Has header "dlfcn.h" : YES
Has header "float.h" : YES
Has header "inttypes.h" : YES
Has header "memory.h" : YES
Has header "stdint.h" : YES
Has header "stdlib.h" : YES
Has header "strings.h" : YES
Has header "string.h" : YES
Has header "sys/stat.h" : YES
Has header "unistd.h" : YES
Has header "locale.h" : YES
Has header "sys/types.h" : YES
Checking for function "memset" : YES
Checking for function "strstr" : YES
Checking for function "dcgettext" : YES
Checking for function "gettext" : YES
Checking for function "iconv" : YES
Checking for function "setlocale" : YES

../editor/meson.build:3:5: ERROR: Function does not take positional arguments.

A full log can be found at /tmp/dconf-editor-3.38.3/build/meson-logs/meson-log.txt

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