doc/Makefile.am: Round braces for style

diff --git a/expat/doc/Makefile.am b/expat/doc/Makefile.am
index adb0fffcddf7a384a0e71e080b88ee68383425c6..7c79aa41bec70ab47225e32dabaa23bb9fdc7ca5 100644 (file)
--- a/expat/doc/Makefile.am
+++ b/expat/doc/Makefile.am
@@ -32,7 +32,7 @@ dist_man_MANS = xmlwf.1
 
 xmlwf.1: xmlwf.xml
 if WITH_DOCBOOK
-       ${DOCBOOK_TO_MAN} $<
+       $(DOCBOOK_TO_MAN) $<
        mv XMLWF.1 $@
 else
        @echo 'ERROR: Configure with --with-docbook for "make dist".' 1>&2