Twenty Seventeen: Use `esc_attr_e()` for translatable strings in HTML attributes.

Props bor0.
Fixes #40216.

Merges [40311] to the 4.7 branch.

Built from https://develop.svn.wordpress.org/branches/4.7@40374


git-svn-id: http://core.svn.wordpress.org/branches/4.7@40281 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-content/themes/twentyseventeen/footer.php

@@ -22,7 +22,7 @@
 				get_template_part( 'template-parts/footer/footer', 'widgets' );
 
 				if ( has_nav_menu( 'social' ) ) : ?>
-					<nav class="social-navigation" role="navigation" aria-label="<?php _e( 'Footer Social Links Menu', 'twentyseventeen' ); ?>">
+					<nav class="social-navigation" role="navigation" aria-label="<?php esc_attr_e( 'Footer Social Links Menu', 'twentyseventeen' ); ?>">
 						<?php
 							wp_nav_menu( array(
 								'theme_location' => 'social',

wp-content/themes/twentyseventeen/template-parts/navigation/navigation-top.php

@@ -9,7 +9,7 @@
  */
 
 ?>
-<nav id="site-navigation" class="main-navigation" role="navigation" aria-label="<?php _e( 'Top Menu', 'twentyseventeen' ); ?>">
+<nav id="site-navigation" class="main-navigation" role="navigation" aria-label="<?php esc_attr_e( 'Top Menu', 'twentyseventeen' ); ?>">
 	<button class="menu-toggle" aria-controls="top-menu" aria-expanded="false"><?php echo twentyseventeen_get_svg( array( 'icon' => 'bars' ) ); echo twentyseventeen_get_svg( array( 'icon' => 'close' ) ); _e( 'Menu', 'twentyseventeen' ); ?></button>
 	<?php wp_nav_menu( array(
 		'theme_location' => 'top',

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7.4-alpha-40373';
+$wp_version = '4.7.4-alpha-40374';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.