patch 8.2.4369: redundant #ifdef argument

Problem:    Redundant #ifdef argument.
Solution:   Remove unused MSWIN. (Ola Söder, closes #9758)
diff --git a/src/feature.h b/src/feature.h
index c7cba07..65185a2 100644
--- a/src/feature.h
+++ b/src/feature.h
@@ -56,7 +56,7 @@
 /*
  * For Unix, Mac and Win32 use +huge by default.  These days CPUs are fast and
  * Memory is cheap.
- * Use +big for older systems: Other MS-Windows and VMS.
+ * Use +big for older systems: VMS and Amiga.
  * Otherwise use +normal
  */
 #if !defined(FEAT_TINY) && !defined(FEAT_SMALL) && !defined(FEAT_NORMAL) \
@@ -64,7 +64,7 @@
 # if defined(UNIX) || defined(MSWIN) || defined(MACOS_X)
 #  define FEAT_HUGE
 # else
-#  if defined(MSWIN) || defined(VMS) || defined(AMIGA)
+#  if defined(VMS) || defined(AMIGA)
 #   define FEAT_BIG
 #  else
 #   define FEAT_NORMAL
diff --git a/src/version.c b/src/version.c
index 5444279..3c67682 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4369,
+/**/
     4368,
 /**/
     4367,