patch 8.1.2101: write_session_file() often defined but not used
Problem: write_session_file() often defined but not used.
Solution: Adjust the #ifdef. (Yegappan Lakshmanan, closes #4998)
diff --git a/src/session.c b/src/session.c
index 7139c52..41835db 100644
--- a/src/session.c
+++ b/src/session.c
@@ -985,7 +985,9 @@
}
}
-#if defined(FEAT_GUI) || defined(PROTO)
+# if defined(USE_GNOME_SESSION) \
+ || (defined(GUI_MAY_SPAWN) && defined(EXPERIMENTAL_GUI_CMD)) \
+ || defined(PROTO)
/*
* Generate a script that can be used to restore the current editing session.
* Save the value of v:this_session before running :mksession in order to make