style(ansible): minor style change (#8356)

plugins/ansible/ansible.plugin.zsh

@@ -4,7 +4,7 @@ function ansible-version(){
 }
 
 function ansible-role-init(){
-    if ! [ -z $1] ; then
+    if ! [ -z $1 ] ; then
         echo "Ansible Role : $1 Creating...."
         ansible-galaxy init $1
         tree $1