[libxmlplusplus] Use glibmm-2.62 instead of glibmm-2.60

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 3ae386237ea002ec9ff4dfd99ca2b6274a93d995
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Wed Mar 20 10:00:59 2019 +0100

    Use glibmm-2.62 instead of glibmm-2.60
    
    We have changed the ABI name in glibmm.

 configure.ac | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 3814bdd..f423eda 100644
--- a/configure.ac
+++ b/configure.ac
@@ -35,7 +35,7 @@ MM_AX_CXX_COMPILE_STDCXX([17], [noext], [mandatory])
 LT_PREREQ([2.2.6])
 LT_INIT([dlopen win32-dll disable-static])
 
-AC_SUBST([LIBXMLXX_MODULES], ['libxml-2.0 >= 2.7.7 glibmm-2.60 >= 2.59.1'])
+AC_SUBST([LIBXMLXX_MODULES], ['libxml-2.0 >= 2.7.7 glibmm-2.62 >= 2.61.1'])
 PKG_CHECK_MODULES([LIBXMLXX], [$LIBXMLXX_MODULES])
 
 AC_LANG([C++])
@@ -45,7 +45,7 @@ LIBXMLXX_CXX_HAS_EXCEPTION_PTR
 MM_ARG_ENABLE_DOCUMENTATION
 MM_ARG_WITH_TAGFILE_DOC([libstdc++.tag], [mm-common-libstdc++])
 MM_ARG_WITH_TAGFILE_DOC([libsigc++-3.0.tag], [sigc++-3.0])
-MM_ARG_WITH_TAGFILE_DOC([glibmm-2.60.tag], [glibmm-2.60])
+MM_ARG_WITH_TAGFILE_DOC([glibmm-2.62.tag], [glibmm-2.62])
 
 # Evaluate the --enable-warnings=level option.
 MM_ARG_ENABLE_WARNINGS([LIBXMLXX_WXXFLAGS],