maint.mk: remove overquotation in ‘announcement’ rule

If $(bootstrap-tools) *doesn’t* include “gnulib”, a nested shell
command is supposed to expand to nothing, but instead it expands to
an empty argument, causing announce-gen to barf.

diff --git a/maint.mk b/maint.mk
index 94fd4ccae21e5ed368841db5206afe23521aac30..db8932919c564d78bd9de7b48664d2577b955068 100644 (file)
--- a/maint.mk
+++ b/maint.mk
@@ -1599,8 +1599,8 @@ announcement: $(NEWS_file) ChangeLog $(rel-files)
            --srcdir=$(srcdir)                                          \
            --news=$(srcdir)/$(NEWS_file)                               \
            --bootstrap-tools=$(bootstrap-tools)                        \
-           "$$(case ,$(bootstrap-tools), in (*,gnulib,*)               \
-              echo --gnulib-version=$(gnulib-version);; esac)"         \
+           $$(case ,$(bootstrap-tools), in (*,gnulib,*)                \
+              echo --gnulib-version=$(gnulib-version);; esac)          \
            $(addprefix --url-dir=, $(url_dir_list))                    \
            $(announce_gen_args)