Return error on close (sr #108597)

ChangeLog

@@ -1,6 +1,10 @@
 ChangeLog for davfs2
 --------------------
 
+2014-08-10 Werner Baumann (werner.baumann@onlinehome.de)
+    * cache.c:
+      Return error on close (sr #108597).
+
 2014-08-10 Werner Baumann (werner.baumann@onlinehome.de)
     * cache.c, kernel_interface.c:
       High priority for lock refresh (sr #108607).

src/cache.c

@@ -883,6 +883,7 @@ dav_close(dav_node *node, int fd, int flags, pid_t pid, pid_t pgid)
                 remove_node(node);
             }
         }
+        return ret;
     }
 
     return 0;