[gobject-introspection] giscanner: write '<varargs/>' instead of '<varargs></varargs>'

[Colin Walters <walters src gnome org>]

commit 717be6d97095d5f0641d8d1ef74947dc75b3f204
Author: Dieter Verfaillie <dieterv optionexplicit be>
Date:   Thu Sep 5 17:50:46 2013 +0200

    giscanner: write '<varargs/>' instead of '<varargs></varargs>'

 giscanner/girwriter.py                 |    3 +--
 tests/scanner/Foo-1.0-expected.gir     |    6 ++----
 tests/scanner/Regress-1.0-expected.gir |    6 ++----
 3 files changed, 5 insertions(+), 10 deletions(-)
---
diff --git a/giscanner/girwriter.py b/giscanner/girwriter.py
index 2bc9f15..2f3d59c 100644
--- a/giscanner/girwriter.py
+++ b/giscanner/girwriter.py
@@ -294,8 +294,7 @@ class GIRWriter(XMLWriter):
         elif ntype.ctype:
             attrs.append(('c:type', ntype.ctype))
         if isinstance(ntype, ast.Varargs):
-            with self.tagcontext('varargs', []):
-                pass
+            self.write_tag('varargs', [])
         elif isinstance(ntype, ast.Array):
             if ntype.array_type != ast.Array.C:
                 attrs.insert(0, ('name', ntype.array_type))
diff --git a/tests/scanner/Foo-1.0-expected.gir b/tests/scanner/Foo-1.0-expected.gir
index 8ef7c20..61d53c9 100644
--- a/tests/scanner/Foo-1.0-expected.gir
+++ b/tests/scanner/Foo-1.0-expected.gir
@@ -621,8 +621,7 @@ uses a C sugar return type.</doc>
             <type name="gint" c:type="int"/>
           </parameter>
           <parameter transfer-ownership="none">
-            <varargs>
-            </varargs>
+            <varargs/>
           </parameter>
         </parameters>
       </method>
@@ -1096,8 +1095,7 @@ exposed to language bindings.</doc>
           <type name="utf8" c:type="const char*"/>
         </parameter>
         <parameter transfer-ownership="none">
-          <varargs>
-          </varargs>
+          <varargs/>
         </parameter>
       </parameters>
     </callback>
diff --git a/tests/scanner/Regress-1.0-expected.gir b/tests/scanner/Regress-1.0-expected.gir
index 7b823a3..637a273 100644
--- a/tests/scanner/Regress-1.0-expected.gir
+++ b/tests/scanner/Regress-1.0-expected.gir
@@ -1477,8 +1477,7 @@ uses a C sugar return type.</doc>
             <type name="gint" c:type="int"/>
           </parameter>
           <parameter name="..." transfer-ownership="none">
-            <varargs>
-            </varargs>
+            <varargs/>
           </parameter>
         </parameters>
       </method>
@@ -1908,8 +1907,7 @@ exposed to language bindings.</doc>
           <type name="utf8" c:type="const char*"/>
         </parameter>
         <parameter name="..." transfer-ownership="none">
-          <varargs>
-          </varargs>
+          <varargs/>
         </parameter>
       </parameters>
     </callback>