patch 9.1.0659: MS-Windows: MSVC Makefile is a bit hard to read

Problem:  MS-Windows: MSVC Makefile is a bit hard to read
          (after v9.1.0657)
Solution: indent the if/else statements to improve readability
          (Ken Takata)

closes: #15428

Signed-off-by: Ken Takata <kentkt@csc.jp>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index a1e9e53..ef2f542 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    659,
+/**/
     658,
 /**/
     657,