Prevent horizontal scrolling when the responsive sidebar is open, pushing the main column off to the right. See #25858.

Built from https://develop.svn.wordpress.org/trunk@26423


git-svn-id: http://core.svn.wordpress.org/trunk@26323 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/css/wp-admin-rtl.css

@@ -12227,6 +12227,12 @@ li#wp-admin-bar-menu-toggle {
 		display: block;
 	}
 	
+	/* Disable horizontal scroll when responsive menu is open
+	   since we push the main content off to the right. */
+	#wpwrap.wp-responsive-open {
+		overflow-x: hidden;
+	}
+	
 	html.wp-toolbar {
 		padding-top: 0;
 	}

wp-admin/css/wp-admin.css

@@ -12227,6 +12227,12 @@ li#wp-admin-bar-menu-toggle {
 		display: block;
 	}
 	
+	/* Disable horizontal scroll when responsive menu is open
+	   since we push the main content off to the right. */
+	#wpwrap.wp-responsive-open {
+		overflow-x: hidden;
+	}
+	
 	html.wp-toolbar {
 		padding-top: 0;
 	}