Fix typo in Makefile.am breaking NEWS file generation

* docs/Makefile.am: Fix syntax error in NEWS rule, '$' should be '$$'
  to escape correctly

diff --git a/docs/Makefile.am b/docs/Makefile.am
index 354e14e0d3c6f094e837075d141644b0dbd6f4f8..5b049514edc29a6c77befdf06bbb91c296f18c74 100644 (file)
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -112,7 +112,7 @@ $(top_builddir)/NEWS: $(top_srcdir)/docs/news.xsl $(top_srcdir)/docs/news.html.i
          $(XSLTPROC) --nonet $(top_srcdir)/docs/news.xsl       \
             $(top_srcdir)/docs/news.html.in                    \
           | perl -0777 -pe 's/\n\n+$$/\n/'                     \
-          | perl -pe 's/[ \t]+$//'                             \
+          | perl -pe 's/[ \t]+$$//'                            \
           > $@-t && mv $@-t $@ ; fi );
 
 clean-local: