doc: quote consistently in autoconf code

AS_HELP_STRING has been observed to expand such that the surround
function complains; play it safe and consistenly quote the example
code throughout.

diff --git a/man/daemon.xml b/man/daemon.xml
index 26ba60052158030aded0f05eaffa7220b712d80e..88dd082a33e356d2a3ece0deedc0aaa406ff109e 100644 (file)
--- a/man/daemon.xml
+++ b/man/daemon.xml
@@ -766,7 +766,7 @@
 
                         <programlisting>PKG_PROG_PKG_CONFIG
 AC_ARG_WITH([systemdsystemunitdir],
-     AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files]),,
+     [AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files])],,
      [with_systemdsystemunitdir=auto])
 AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"], [
      def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
@@ -775,10 +775,10 @@ AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitd
          [AS_IF([test "x$with_systemdsystemunitdir" = "xyes"],
                 [AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])])
           with_systemdsystemunitdir=no],
-         [with_systemdsystemunitdir=$def_systemdsystemunitdir])])
+         [with_systemdsystemunitdir="$def_systemdsystemunitdir"])])
 AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
       [AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])])
-AM_CONDITIONAL(HAVE_SYSTEMD, [test "x$with_systemdsystemunitdir" != "xno"])</programlisting>
+AM_CONDITIONAL([HAVE_SYSTEMD], [test "x$with_systemdsystemunitdir" != "xno"])</programlisting>
 
                         <para>This snippet allows automatic
                         installation of the unit files on systemd