[evolution/gnome-3-30] Correct evolution-mail-formatter user documentation build warning

[Milan Crha <mcrha src gnome org>]

commit 29ab4f2b0c48defa90daadd39df4227da1ddf535
Author: Milan Crha <mcrha redhat com>
Date:   Tue Oct 30 17:09:29 2018 +0100

    Correct evolution-mail-formatter user documentation build warning
    
    Related to https://gitlab.gnome.org/GNOME/gtk-doc/issues/61

 .../evolution-mail-formatter/evolution-mail-formatter-docs.sgml.in | 7 +++++++
 src/em-format/e-mail-part-utils.c                                  | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)
---
diff --git a/docs/reference/evolution-mail-formatter/evolution-mail-formatter-docs.sgml.in 
b/docs/reference/evolution-mail-formatter/evolution-mail-formatter-docs.sgml.in
index 7222124cb9..5ec4d8a580 100644
--- a/docs/reference/evolution-mail-formatter/evolution-mail-formatter-docs.sgml.in
+++ b/docs/reference/evolution-mail-formatter/evolution-mail-formatter-docs.sgml.in
@@ -49,8 +49,15 @@
     <xi:include href="xml/api-index-full.xml"><xi:fallback /></xi:include>
   </index>
 
+  <index id="api-index-3-30" role="3.30">
+    <title>Index of new symbols in 3.30</title>
+    <xi:include href="xml/api-index-3.30.xml"><xi:fallback /></xi:include>
+  </index>
+
   <index id="api-index-3-8" role="3.8">
     <title>Index of new symbols in 3.8</title>
     <xi:include href="xml/api-index-3.8.xml"><xi:fallback /></xi:include>
   </index>
+
+  <xi:include href="xml/annotation-glossary.xml"><xi:fallback /></xi:include>
 </book>
diff --git a/src/em-format/e-mail-part-utils.c b/src/em-format/e-mail-part-utils.c
index f49357984e..6b2c17f1cb 100644
--- a/src/em-format/e-mail-part-utils.c
+++ b/src/em-format/e-mail-part-utils.c
@@ -699,7 +699,7 @@ message_find_parent_part_rec (CamelMimePart *part,
  * Searches for the parent of the @child in the @message, The @child is
  * supposed to be in the @message.
  *
- * Returns: (nullable) (transfer none): Parent of the @child, or %NULL.
+ * Returns: (transfer none) (nullable): Parent of the @child, or %NULL.
  *
  * Since: 3.30
  **/