patch 8.2.2091: MS-Windows: build warnings

Problem:    MS-Windows: build warnings.
Solution:   Add a #pragma to suppress the deprecation warning. (Ken Takata)
            Avoid using a non-ASCII character. (closes #7421)
diff --git a/src/version.c b/src/version.c
index 2061ea0..0002ef8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2091,
+/**/
     2090,
 /**/
     2089,