maint.mk: fix tab/space usage in release-prep script

This makes the ‘makefile_TAB_only_indentation’ syntax check happy.

diff --git a/maint.mk b/maint.mk
index 29318a76c1930eab3cf81fdc9cf59c2dab77cdaf..1fa112df719fe12bafa725726ad7fe4e978b56c4 100644 (file)
--- a/maint.mk
+++ b/maint.mk
@@ -1723,11 +1723,11 @@ release-prep:
          '$(news-check-lines-spec){/'$(news-check-regexp)'/=}' \
          $(srcdir)/$(NEWS_file)); test -n "$$n"                \
          && env gl_n=$$n gl_s='$(gl_noteworthy_news_)'         \
-                perl -pi -e '$$. == $$ENV{gl_n} '              \
-                         -e '  and print "$$ENV{gl_s}\n\n\n"'  \
-                      $(srcdir)/$(NEWS_file)                   \
+                perl -pi -e '$$. == $$ENV{gl_n} '              \
+                         -e '  and print "$$ENV{gl_s}\n\n\n"'  \
+                     $(srcdir)/$(NEWS_file)                    \
          || { printf '$(NEWS_file): %s failed to match\n'      \
-                     '$$(news-check-regexp)' 1>&2; exit 1; }
+                     '$$(news-check-regexp)' 1>&2; exit 1; }
        $(AM_V_at)msg=$$($(emit-commit-log)) || exit 1;         \
        cd $(srcdir) && $(VC) commit -m "$$msg" -a