build: suppress array-bounds errors in libxkbcommon

depends/packages/libxkbcommon.mk

@@ -5,9 +5,14 @@ $(package)_file_name=$(package)-$($(package)_version).tar.xz
 $(package)_sha256_hash=60ddcff932b7fd352752d51a5c4f04f3d0403230a584df9a2e0d5ed87c486c8b
 $(package)_dependencies=libxcb
 
+# This package explicitly enables -Werror=array-bounds, which causes build failures
+# with GCC 12.1+. Work around that by turning errors back into warnings.
+# This workaround would be dropped if the package was updated, as that would require
+# a different build system (Meson)
 define $(package)_set_vars
 $(package)_config_opts = --enable-option-checking --disable-dependency-tracking
 $(package)_config_opts += --disable-static --disable-docs
+$(package)_cflags += -Wno-error=array-bounds
 endef
 
 define $(package)_preprocess_cmds