[glibmm] MSVC_NMake: Change the ABI to glibmm-2.60

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 7f69df82990f767776f0b1b99bb481530b345d3e
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Sat Nov 10 08:53:38 2018 +0100

    MSVC_NMake: Change the ABI to glibmm-2.60
    
    * MSVC_NMake/config-msvc.mak: This file was forgotten in the previous
    commit that changed the ABI name.

 MSVC_NMake/config-msvc.mak | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/MSVC_NMake/config-msvc.mak b/MSVC_NMake/config-msvc.mak
index 7369598e..2a9eed11 100644
--- a/MSVC_NMake/config-msvc.mak
+++ b/MSVC_NMake/config-msvc.mak
@@ -7,7 +7,7 @@ BASE_INCLUDES = /I$(PREFIX)\include
 GLIB_API_VERSION = 2.0
 
 GLIBMM_MAJOR_VERSION = 2
-GLIBMM_MINOR_VERSION = 58
+GLIBMM_MINOR_VERSION = 60
 
 LIBSIGC_MAJOR_VERSION = 3
 LIBSIGC_MINOR_VERSION = 0