[valadoc] Fix deprecation warnings of gee-0.8

[Rico Tzschichholz <ricotz src gnome org>]

commit c3dc73d075dd6eece01d19feea53b2e1ceca2c71
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Fri Jun 14 08:48:28 2013 +0200

    Fix deprecation warnings of gee-0.8

 src/driver/0.16.x/treebuilder.vala |    2 +-
 src/driver/0.18.x/treebuilder.vala |    2 +-
 src/driver/0.20.x/treebuilder.vala |    2 +-
 src/driver/0.22.x/treebuilder.vala |    2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/driver/0.16.x/treebuilder.vala b/src/driver/0.16.x/treebuilder.vala
index 06304e0..c283325 100644
--- a/src/driver/0.16.x/treebuilder.vala
+++ b/src/driver/0.16.x/treebuilder.vala
@@ -1520,7 +1520,7 @@ element);
                foreach (Vala.SourceFile vfile in context.get_source_files ()) {
                        if (vfile.file_type == Vala.SourceFileType.PACKAGE
                                && vfile.get_nodes ().size > 0
-                               && files.contains (vfile) == false)
+                               && files.has_key (vfile) == false)
                        {
                                Package vdpkg = new Package (get_package_name (vfile.filename), true, null);
                                register_source_file (register_package (vdpkg), vfile);
diff --git a/src/driver/0.18.x/treebuilder.vala b/src/driver/0.18.x/treebuilder.vala
index 993374b..4aa5233 100644
--- a/src/driver/0.18.x/treebuilder.vala
+++ b/src/driver/0.18.x/treebuilder.vala
@@ -1558,7 +1558,7 @@ public class Valadoc.Drivers.TreeBuilder : Vala.CodeVisitor {
                foreach (Vala.SourceFile vfile in context.get_source_files ()) {
                        if (vfile.file_type == Vala.SourceFileType.PACKAGE
                                && vfile.get_nodes ().size > 0
-                               && files.contains (vfile) == false)
+                               && files.has_key (vfile) == false)
                        {
                                Package vdpkg = new Package (get_package_name (vfile.filename), true, null);
                                register_source_file (register_package (vdpkg), vfile);
diff --git a/src/driver/0.20.x/treebuilder.vala b/src/driver/0.20.x/treebuilder.vala
index ad30d00..0d905c0 100644
--- a/src/driver/0.20.x/treebuilder.vala
+++ b/src/driver/0.20.x/treebuilder.vala
@@ -1495,7 +1495,7 @@ public class Valadoc.Drivers.TreeBuilder : Vala.CodeVisitor {
                foreach (Vala.SourceFile vfile in context.get_source_files ()) {
                        if (vfile.file_type == Vala.SourceFileType.PACKAGE
                                && vfile.get_nodes ().size > 0
-                               && files.contains (vfile) == false)
+                               && files.has_key (vfile) == false)
                        {
                                Package vdpkg = new Package (get_package_name (vfile.filename), true, null);
                                register_source_file (register_package (vdpkg), vfile);
diff --git a/src/driver/0.22.x/treebuilder.vala b/src/driver/0.22.x/treebuilder.vala
index ad30d00..0d905c0 100644
--- a/src/driver/0.22.x/treebuilder.vala
+++ b/src/driver/0.22.x/treebuilder.vala
@@ -1495,7 +1495,7 @@ public class Valadoc.Drivers.TreeBuilder : Vala.CodeVisitor {
                foreach (Vala.SourceFile vfile in context.get_source_files ()) {
                        if (vfile.file_type == Vala.SourceFileType.PACKAGE
                                && vfile.get_nodes ().size > 0
-                               && files.contains (vfile) == false)
+                               && files.has_key (vfile) == false)
                        {
                                Package vdpkg = new Package (get_package_name (vfile.filename), true, null);
                                register_source_file (register_package (vdpkg), vfile);