patch 8.0.1474: Visual C 2017 has multiple MSVCVER numbers

Problem:    Visual C 2017 has multiple MSVCVER numbers.
Solution:   Assume the 2017 version if MSVCVER >= 1910. (Leonardo Valeri
            Manera, closes #2619)
diff --git a/src/version.c b/src/version.c
index 8f34303..350c830 100644
--- a/src/version.c
+++ b/src/version.c
@@ -772,6 +772,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1474,
+/**/
     1473,
 /**/
     1472,