Updating position history only when 'positionlog' is set.

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5601 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -5,6 +5,8 @@
 	is set.  This fixes a bug unconsciously reported by Mike Frysinger.
 	* src/files.c (do_lockfile): Plug a couple of memory leaks.
 	* src/files.c (update_poshistory): Plug another memory leak.
+	* src/files.c (close_buffer): Update position history only when
+	the option 'positionlog' is set.
 
 2016-01-26  Benno Schulenberg  <bensberg@justemail.net>
 	* src/files.c (update_poshistory): Do not add directories to the

src/files.c

@@ -588,7 +588,9 @@ bool close_buffer(bool quiet)
 	return FALSE;
 
 #ifndef DISABLE_HISTORIES
-    update_poshistory(openfile->filename, openfile->current->lineno, xplustabs() + 1);
+    if (ISSET(POS_HISTORY))
+	update_poshistory(openfile->filename,
+			openfile->current->lineno, xplustabs() + 1);
 #endif
 
     /* Switch to the next file buffer. */