patch 9.1.1275: MS-Windows: Not possible to pass additional flags to Make_mvc

Problem:  MS-Windows: Not possible to pass additional flags to Make_mvc
Solution: Introduce $CI_FLAGS and use it to pass additional flags for
          the Github CI in order to treat size conversion warnings
          (C4267) as errors (Yegappan Lakshmanan)

closes: #17028

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 42576d1..d1ba7ad 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1275,
+/**/
     1274,
 /**/
     1273,