[gtk+] demos/application: Call the right program

[Chun-wei Fan <fanchunwei src gnome org>]

commit 21b061b0dd7b88360291445d4fea99c25fa11443
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Wed Nov 2 12:23:41 2016 +0800

    demos/application: Call the right program
    
    We need to update the call to gtk4-application-demo, plus include the
    correct icon file for this.

 demos/gtk-demo/application.c      |    2 +-
 demos/gtk-demo/application_demo.c |    6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/demos/gtk-demo/application.c b/demos/gtk-demo/application.c
index 289f73a..6233f72 100644
--- a/demos/gtk-demo/application.c
+++ b/demos/gtk-demo/application.c
@@ -212,7 +212,7 @@ activate_about (GSimpleAction *action,
                          "comments", "Program to demonstrate GTK+ functions.",
                          "authors", authors,
                          "documenters", documentors,
-                         "logo-icon-name", "gtk3-demo",
+                         "logo-icon-name", "gtk4-demo",
                          "title", "About GTK+ Code Demos",
                          NULL);
 }
diff --git a/demos/gtk-demo/application_demo.c b/demos/gtk-demo/application_demo.c
index 4174bbb..d2eb69f 100644
--- a/demos/gtk-demo/application_demo.c
+++ b/demos/gtk-demo/application_demo.c
@@ -63,10 +63,10 @@ do_application_demo (GtkWidget *toplevel)
       const gchar *command;
       GError *error = NULL;
 
-      if (g_file_test ("./gtk3-demo-application" APP_EXTENSION, G_FILE_TEST_IS_EXECUTABLE))
-        command = "./gtk3-demo-application" APP_EXTENSION;
+      if (g_file_test ("./gtk4-demo-application" APP_EXTENSION, G_FILE_TEST_IS_EXECUTABLE))
+        command = "./gtk4-demo-application" APP_EXTENSION;
       else
-        command = "gtk3-demo-application";
+        command = "gtk4-demo-application";
 
       if (!g_spawn_command_line_async (command, &error))
         {