[gimp] libgimp: refer to new API in GimpProcedure docs

[Michael Natterer <mitch src gnome org>]

commit 12cafbfe6e1c2c46b2ec2739e89a757257c32821
Author: Michael Natterer <mitch gimp org>
Date:   Tue Aug 13 00:46:40 2019 +0200

    libgimp: refer to new API in GimpProcedure docs

 libgimp/gimpprocedure.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/libgimp/gimpprocedure.c b/libgimp/gimpprocedure.c
index 01736ed642..58d06a1b04 100644
--- a/libgimp/gimpprocedure.c
+++ b/libgimp/gimpprocedure.c
@@ -1383,8 +1383,8 @@ gimp_procedure_run (GimpProcedure        *procedure,
  * procedure's #GimpRunFunc that was created as #GIMP_EXTENSION.
  *
  * Subsequently, extensions can process temporary procedure run
- * requests using either gimp_extension_enable() or
- * gimp_extension_process().
+ * requests using either gimp_plug_in_extension_enable() or
+ * gimp_plug_in_extension_process().
  *
  * See also: gimp_procedure_new().
  *