bash prompt: add a test for symbolic link symbolic refs
bash prompt: add a test for symbolic link symbolic refs

Signed-off-by: SZEDER Gábor <46692b1f0516358b02a6405518c0a52aa8fb3e94@ira.uka.de>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git