update network service examples

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/examples/var_service/httpd/log/run b/examples/var_service/httpd/log/run
index 560d1b1..69d74b7 100755
--- a/examples/var_service/httpd/log/run
+++ b/examples/var_service/httpd/log/run
@@ -6,7 +6,7 @@
 mkdir -p "$logdir" 2>/dev/null
 chown -R "$user": "$logdir"
 chmod -R go-rwxst,u+rwX "$logdir"
-rm logdir
+rm -rf logdir
 ln -s "$logdir" logdir
 
 # make this dir accessible to logger