Fix login page variable name

Signed-off-by: prichier <pascoualito@gmail.com>

pages/login.tmpl

@@ -3,36 +3,7 @@
 <meta itemprop="description" content="Log in to {{.SiteName}}.">
 <style>
 input{margin-bottom:0.5em;}
-.or {
- text-align: center;
- margin-bottom: 3.5em;
-}
-.or p {
- display: inline-block;
- background-color: white;
- padding: 0 1em;
-}
-.or hr {
- margin-top: -1.6em;
- margin-bottom: 0;
-}
-hr.short {
- max-width: 30rem;
-}
-.row.signinbtns {
- justify-content: space-evenly;
- font-size: 1em;
- margin-top: 3em;
- margin-bottom: 2em;
-}
-.loginbtn {
- height: 40px;
-}
-#writeas-login {
- box-sizing: border-box;
- font-size: 17px;
-}
-#gitlab-login {
+#generic-oauth-login {
     box-sizing: border-box;
     font-size: 17px;
 }
@@ -46,7 +17,7 @@ hr.short {
 		{{range .Flashes}}<li class="urgent">{{.}}</li>{{end}}
 	</ul>{{end}}
 
-	{{ if or .OauthSlack .OauthWriteAs .OauthGitlab }}
+	{{ if or .OauthSlack .OauthWriteAs .OauthGitlab .OauthGeneric }}
 		<div class="row content-container signinbtns">
 		{{ if .OauthSlack }}
 			<a class="loginbtn" href="/oauth/slack"><img alt="Sign in with Slack" height="40" width="172" src="/img/sign_in_with_slack.png" srcset="/img/sign_in_with_slack.png 1x, /img/sign_in_with_slack@2x.png 2x" /></a>
@@ -57,6 +28,9 @@ hr.short {
 		{{ if .OauthGitlab }}
 			<a class="btn cta loginbtn" id="gitlab-login" href="/oauth/gitlab">Sign in with <strong>{{.GitlabDisplayName}}</strong></a>
 		{{ end }}
+        {{ if .OauthGeneric }}
+            <a class="btn cta loginbtn" id="generic-oauth-login" href="/oauth/generic">Sign in with <strong>{{ .OauthGenericDisplayName }}</strong></a>
+        {{ end }}
 		</div>
 
 		<div class="or">