Backport from xs.

xs_mime.h

@@ -37,6 +37,8 @@ const char *xs_mime_types[] = {
     "ogv",      "video/ogg",
     "opus",     "audio/ogg",
     "png",      "image/png",
+    "svg",      "image/svg+xml",
+    "svgz",     "image/svg+xml",
     "txt",      "text/plain",
     "wav",      "audio/wav",
     "webm",     "video/webm",

xs_version.h

@@ -1 +1 @@
-/* 5bf06243b37eec60e48e53d87d4d147d01ad9924 */
+/* 0ca53ca2b1c34efa95639d2a0f5bf4bd32f8958c */