patch 8.2.3114: Amiga-like systems: build error using stat()

Problem:    Amiga-like systems: build error using stat().
Solution:   Only build swapfile_process_running() on systems where it is
            actually used. (Ola Söder, closes #8519)
diff --git a/src/version.c b/src/version.c
index b0d8dae..7dfbe6d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3114,
+/**/
     3113,
 /**/
     3112,