Not adding directories to the list of file positions.

This fixes Savannah bug #46971.


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5592 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

+2016-01-26  Benno Schulenberg  <bensberg@justemail.net>
+	* src/files.c (update_poshistory): Do not add directories to the
+	list of file positions.  This fixes Savannah bug #46971.
+
 2016-01-25  Benno Schulenberg  <bensberg@justemail.net>
 	* src/files.c (update_poshistory): Handle an update of the first
 	element correctly.

src/files.c

@@ -3186,7 +3186,7 @@ void update_poshistory(char *filename, ssize_t lineno, ssize_t xpos)
     poshiststruct *posptr, *theone, *posprev = NULL;
     char *fullpath = get_full_path(filename);
 
-    if (fullpath == NULL)
+    if (fullpath == NULL || fullpath[strlen(fullpath) - 1] == '/')
 	return;
 
     /* Look for a matching filename in the list. */