Bump gtk-doc dep to 1.20

diff --git a/configure.ac b/configure.ac
index c9e86dcd423264c6a40e9ac758a4138b63ac5e8e..1c0da299701395392af40177c8b39f37af6c11f1 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1633,7 +1633,7 @@ AM_CONDITIONAL(HAVE_COLORD, test "x$have_colord" = "xyes")
 # Checks for gtk-doc and docbook-tools
 ##################################################
 
-GTK_DOC_CHECK([1.19.1],[--flavour no-tmpl])
+GTK_DOC_CHECK([1.20],[--flavour no-tmpl])
 
 AC_ARG_ENABLE(man,
               [AS_HELP_STRING([--enable-man],