Index: wp-includes/functions.php
===================================================================
--- wp-includes/functions.php	(revision 24158)
+++ wp-includes/functions.php	(working copy)
@@ -1912,6 +1912,7 @@
 	'bmp' => 'image/bmp',
 	'tif|tiff' => 'image/tiff',
 	'ico' => 'image/x-icon',
+	'svg' => 'image/svg+xml',
 	// Video formats
 	'asf|asx' => 'video/x-ms-asf',
 	'wmv' => 'video/x-ms-wmv',
@@ -3740,6 +3741,8 @@
 	return false;
 }