patch 8.1.2065: compiler warning building non-GUI with MinGW.

Problem:    Compiler warning building non-GUI with MinGW.
Solution:   Adjust #ifdefs. (Yegappan Lakshmanan, closes #4964)
diff --git a/src/version.c b/src/version.c
index ab5045c..576ac23 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2065,
+/**/
     2064,
 /**/
     2063,