Use `` instead of $() for portability.

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@3922 57a11ea4-9604-0410-9ed3-97b8803252fd

macros/gnome-print-check.m4

@@ -20,10 +20,10 @@ AC_DEFUN([AM_PATH_GNOME_PRINT],
   else
     AC_MSG_CHECKING(for GNOME-PRINT - version >= $min_version)
     if `$GNOME_CONFIG --libs print > /dev/null 2>&1`; then
-      rqmajor=$(echo "$min_version" | sed -e 's/cvs-//' | sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\1/')
-      rqminor=$(echo "$min_version" | sed -e 's/cvs-//' | sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\2/')
-      major=$($GNOME_CONFIG --modversion print | sed -e 's/gnome-print-//' | sed -e 's/cvs-//' | sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\1/')
-      minor=$($GNOME_CONFIG --modversion print | sed -e 's/gnome-print-//' | sed -e 's/cvs-//' | sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\2/')
+      rqmajor=`echo "$min_version" | sed -e 's/cvs-//' | sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
+      rqminor=`echo "$min_version" | sed -e 's/cvs-//' | sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
+      major=`$GNOME_CONFIG --modversion print | sed -e 's/gnome-print-//' | sed -e 's/cvs-//' | sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
+      minor=`$GNOME_CONFIG --modversion print | sed -e 's/gnome-print-//' | sed -e 's/cvs-//' | sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
       if test "$major" -ge "$rqmajor"; then
         if test "$major" -gt "$rqmajor"; then
           AC_MSG_RESULT("found $major.$minor")