[glib] win32/detectenv-msvc.mak: Support Visual Studio 2017

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

commit 08825d2c214765d0fefa5741ab973e966ddcace7
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Fri Feb 17 17:48:13 2017 +0800

    win32/detectenv-msvc.mak: Support Visual Studio 2017
    
    Update this common NMake Makefile module so projects using this (such as
    for introspection builds or projects supporting MSVC builds using NMake)
    can make use of Visual Studio 2017.

 win32/detectenv-msvc.mak |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/win32/detectenv-msvc.mak b/win32/detectenv-msvc.mak
index c23e444..e4548d7 100644
--- a/win32/detectenv-msvc.mak
+++ b/win32/detectenv-msvc.mak
@@ -40,8 +40,10 @@ VSVER = 10
 VSVER = 11
 !elseif $(VCVERSION) > 1799 && $(VCVERSION) < 1900
 VSVER = 12
-!elseif $(VCVERSION) > 1899 && $(VCVERSION) < 2000
+!elseif $(VCVERSION) > 1899 && $(VCVERSION) < 1910
 VSVER = 14
+!elseif $(VCVERSION) > 1909 && $(VCVERSION) < 2000
+VSVER = 15
 !else
 VSVER = 0
 !endif