Add variant 'permission denied' needle

For some reason, occasionally the 'm' character looks slightly
different. I have no idea why.

Signed-off-by: Adam Williamson <awilliam@redhat.com>

needles/console/login_permission_denied-variantm-20190911.json

@@ -0,0 +1,16 @@
+{
+  "area": [
+    {
+      "ypos": 144,
+      "xpos": 0,
+      "height": 13,
+      "type": "match",
+      "width": 136
+    }
+  ],
+  "properties": [],
+  "tags": [
+    "login_permission_denied",
+    "ENV-DISTRI-fedora"
+  ]
+}