Fix nextfree extension number
diff --git a/registry.tcl b/registry.tcl
index bd9c052..c6d6d0f 100644
--- a/registry.tcl
+++ b/registry.tcl
@@ -732,4 +732,4 @@
     flags       public
     filename    extensions/EXT/EGL_EXT_platform_xcb.txt
 }
-# Next free extension number: 141
+# Next free extension number: 142