[librsvg/librsvg-2-40] Visual Studio 2017 support: Fix dist

[Chun-wei Fan <fanchunwei src gnome org>]

commit e8c44326da9f42388c6ea5e5017c83cd4cc867d6
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Wed Mar 8 18:58:09 2017 +0800

    Visual Studio 2017 support: Fix dist
    
    I forgot to update the MSVC_VER and MSVC_VER_LONG from Visual Studio
    2015, sorry!

 build/win32/vs15/Makefile.am |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/build/win32/vs15/Makefile.am b/build/win32/vs15/Makefile.am
index 19b6077..6cd4d93 100644
--- a/build/win32/vs15/Makefile.am
+++ b/build/win32/vs15/Makefile.am
@@ -18,9 +18,9 @@ EXTRA_DIST =    \
 
 DISTCLEANFILES = $(EXTRA_DIST)
 
-MSVC_VER = 14
+MSVC_VER = 15
 MSVC_FORMAT_VER = 12
-MSVC_VER_LONG = 14
+MSVC_VER_LONG = 15
 MSVC_TOOLSET = 141
 
 include $(top_srcdir)/build/Makefile-newvs.am