Index: wp-includes/functions.php
===================================================================
--- wp-includes/functions.php	(revision 31827)
+++ wp-includes/functions.php	(working copy)
@@ -2950,7 +2950,7 @@
 		':twisted:' => "\xf0\x9f\x98\x88",
 		  ':arrow:' => "\xe2\x9e\xa1",
 		  ':shock:' => "\xf0\x9f\x98\xaf",
-		  ':smile:' => 'simple-smile.png',
+		  ':smile:' => "\xF0\x9F\x98\x83",
 		    ':???:' => "\xf0\x9f\x98\xaf",
 		   ':cool:' => "\xf0\x9f\x98\x8e",
 		   ':evil:' => "\xf0\x9f\x91\xbf",
@@ -2968,7 +2968,7 @@
 		      '8-)' => "\xf0\x9f\x98\x8e",
 		      '8-O' => "\xf0\x9f\x98\xaf",
 		      ':-(' => "\xf0\x9f\x98\xa6",
-		      ':-)' => 'simple-smile.png',
+		      ':-)' => "\xF0\x9F\x98\x83",
 		      ':-?' => "\xf0\x9f\x98\xaf",
 		      ':-D' => "\xf0\x9f\x98\x84",
 		      ':-P' => "\xf0\x9f\x98\x9b",
@@ -2980,7 +2980,7 @@
 		//     '8)' => "\xf0\x9f\x98\x8e",
 		       '8O' => "\xf0\x9f\x98\xaf",
 		       ':(' => "\xf0\x9f\x98\xa6",
-		       ':)' => 'simple-smile.png',
+		       ':)' => "\xF0\x9F\x98\x83",
 		       ':?' => "\xf0\x9f\x98\xaf",
 		       ':D' => "\xf0\x9f\x98\x84",
 		       ':P' => "\xf0\x9f\x98\x9b",