Allow all _MSC_VER up to (excluding) 2000 (Firebird)

(see https://blogs.msdn.microsoft.com/vcblog/2016/10/05/visual-c-compiler-version/)

Change-Id: I69133a3742f72c20daa0ad94e093e4fffbd5d8c2
Reviewed-on: https://gerrit.libreoffice.org/59097Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
Tested-by: Mike Kaganski <mike.kaganski@collabora.com>

external/firebird/firebird-vs2017.patch.1

@@ -4,9 +4,8 @@ diff -ru firebird.orig/src/common/os/win32/mod_loader.cpp firebird/src/common/os
 @@ -103,6 +103,6 @@
  					"msvcr120.dll",
 -#elif _MSC_VER == 1900
--					"vcruntime140.dll",
-+#elif _MSC_VER >= 1900 && _MSC_VER <= 1914
-+					"vcruntime140.dll",
++#elif _MSC_VER >= 1900 && _MSC_VER < 2000
+ 					"vcruntime140.dll",
  #else
                      #error Specify CRT DLL name here !
  #endif