[glom/gtkmm4v4] configure.ac: Correct dependency versions for docs.

[Murray Cumming <murrayc src gnome org>]

commit d6a63079d55e46e1416375b6a14d90d1d9be9828
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu Mar 23 11:32:02 2017 +0100

    configure.ac: Correct dependency versions for docs.

 configure.ac |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index e737c7b..b09db9e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -322,10 +322,10 @@ AS_IF([test "x$ENABLE_DOCUMENTATION" != xno],
 
 MM_ARG_ENABLE_DOCUMENTATION
 MM_ARG_WITH_TAGFILE_DOC([libstdc++.tag], [mm-common-libstdc++])
-MM_ARG_WITH_TAGFILE_DOC([libsigc++-2.0.tag], [sigc++-2.0])
-MM_ARG_WITH_TAGFILE_DOC([glibmm-2.4.tag], [glibmm-2.4])
-MM_ARG_WITH_TAGFILE_DOC([cairomm-1.0.tag], [cairomm-1.0])
-MM_ARG_WITH_TAGFILE_DOC([pangomm-1.4.tag], [pangomm-1.4])
+MM_ARG_WITH_TAGFILE_DOC([libsigc++-3.0.tag], [sigc++-3.0])
+MM_ARG_WITH_TAGFILE_DOC([glibmm-2.52.tag], [glibmm-2.52])
+MM_ARG_WITH_TAGFILE_DOC([cairomm-1.16.tag], [cairomm-1.16])
+MM_ARG_WITH_TAGFILE_DOC([pangomm-2.42.tag], [pangomm-2.42])
 
 AC_ARG_VAR([SPHINX_BUILD], [path to sphinx-build utility])
 AS_IF([test "x$ENABLE_DOCUMENTATION" != xno],