add back entry to directory listings

Signed-off-by: kim (grufwub) <grufwub@gmail.com>

gopher/server.go

@@ -78,9 +78,10 @@ func serve(client *core.Client) {
 			// Slice to write
 			dirContents := make([]byte, 0)
 
-			// Add directory heading + empty line
+			// Add directory heading, empty line and a back line
 			dirContents = append(dirContents, buildLine(typeInfo, "[ "+core.Hostname+p.Selector()+" ]", "TITLE", nullHost, nullPort)...)
 			dirContents = append(dirContents, buildInfoLine("")...)
+			dirContents = append(dirContents, buildLine(typeDirectory, "..", p.RelativeDir(), core.Hostname, core.Port)...)
 
 			// Scan directory and build lines
 			err = core.ScanDirectory(