Force a space between password label and reset link.

userlogin-yourpassword and userlogin-resetpassword-link
appeared concatenated if the css wasn't available:
"PasswordReset your password"

Change-Id: I59049a3f1f912c45da89b1441661c3b725e1459b

includes/templates/Userlogin.php

@@ -94,7 +94,7 @@ class UserloginTemplate extends BaseTemplate {
 			$this->msg( 'userlogin-yourpassword' );
 
 			if ( $this->data['useemail'] && $this->data['canreset'] && $this->data['resetlink'] === true ) {
-				echo Linker::link(
+				echo " ", Linker::link(
 					SpecialPage::getTitleFor( 'PasswordReset' ),
 					$this->getMsg( 'userlogin-resetpassword-link' )->parse(),
 					array( 'class' => 'mw-ui-flush-right' )