Update social_meta_vars.inc to encode $pageUri

Author: Mike Kozicki

www/include/social_meta_vars.inc

@@ -3,7 +3,7 @@
 require_once __DIR__ . '/../common_lib.inc';
 require_once __DIR__ . '/../common.inc';
 
-$pageURI = 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
+$pageURI = urlencode('https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']);
 // NOTE: if you'd like a page to include a screenshot for social sharing, specify $useScreenshot = true above the head include.
 // Also, for page-specific screenshot css tweaks, add a screenshot class to that page's body class
 $screenshotURI = CreateUrlVariation($pageURI, "screenshot=1");