[at-spi2-core/carlosgc/xml-scroll-substring] xml: Fix Text.ScrollSubstring methods signature to match the implementation

[Carlos Garcia Campos <carlosgc src gnome org>]

commit 262d2043be324c274f78d96bd8433a34210f932c
Author: Carlos Garcia Campos <cgarcia igalia com>
Date:   Thu Aug 12 08:24:05 2021 +0200

    xml: Fix Text.ScrollSubstring methods signature to match the implementation
    
    They are expected to return a boolean.

 xml/Text.xml | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/xml/Text.xml b/xml/Text.xml
index fe9f44b7..da772ae1 100644
--- a/xml/Text.xml
+++ b/xml/Text.xml
@@ -157,6 +157,7 @@
     <arg direction="in" name="startOffset" type="i"/>
     <arg direction="in" name="endOffset" type="i"/>
     <arg direction="in" name="type" type="u"/>
+    <arg direction="out" type="b"/>
   </method>
 
   <method name="ScrollSubstringToPoint">
@@ -165,6 +166,7 @@
     <arg direction="in" name="type" type="u"/>
     <arg direction="in" name="x" type="i"/>
     <arg direction="in" name="y" type="i"/>
+    <arg direction="out" type="b"/>
   </method>
 
 </interface>