Index: wp-includes/functions.php
===================================================================
--- wp-includes/functions.php	(revision 13805)
+++ wp-includes/functions.php	(working copy)
@@ -1648,6 +1648,19 @@
 }
 
 /**
+ * Send a HTTP header to disable content type sniffing in browsers which support it.
+ *
+ * @link http://blogs.msdn.com/ie/archive/2008/07/02/ie8-security-part-v-comprehensive-protection.aspx
+ * @link http://src.chromium.org/viewvc/chrome?view=rev&revision=6985
+ *
+ * @since 3.0.0.
+ * @return none
+ */
+function send_nosniff_header() {
+	@header( 'X-Content-Type-Options: nosniff' );
+}
+
+/**
  * Retrieve the number of database queries during the WordPress execution.
  *
  * @since 2.0.0
@@ -4081,4 +4094,4 @@
  */
 function __return_false() {
 	return false;
-}
\ No newline at end of file
+}
Index: wp-admin/includes/misc.php
===================================================================
--- wp-admin/includes/misc.php	(revision 13805)
+++ wp-admin/includes/misc.php	(working copy)
@@ -655,18 +655,6 @@
 }
 
 /**
- * Send a HTTP header to disable content type sniffing in browsers which support it.
- *
- * @link http://blogs.msdn.com/ie/archive/2008/07/02/ie8-security-part-v-comprehensive-protection.aspx
- * @link http://src.chromium.org/viewvc/chrome?view=rev&revision=6985
- *
- * @since 3.0.0.
- * @return none
- */
-function send_nosniff_header() {
-	@header( 'X-Content-Type-Options: nosniff' );
-}
-/**
  * Display the default admin color scheme picker (Used in user-edit.php)
  *
  * @since 3.0