[gbrainy] Use libcanberra for GTK 3.0

[Jordi Mas <jmas src gnome org>]

commit d62a6fc4cdc66bdac136ff2cb4325e35298d79c8
Author: Jordi Mas <jmas softcatala org>
Date:   Sun Dec 14 10:11:47 2014 -0500

    Use libcanberra for GTK 3.0

 configure.ac              |    2 +-
 src/Core/Platform/Unix.cs |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index e91ccca..2c9ea2d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -81,7 +81,7 @@ CANBERRA_GTK_REQUIRED=0.26
 PKG_CHECK_MODULES(GBRAINY_CORE, mono >= $MONO_REQUIRED)
 
 PKG_CHECK_MODULES(GBRAINY, gtk-sharp-3.0 >= $GTKSHARP_REQUIRED)
-PKG_CHECK_MODULES(GBRAINY, libcanberra-gtk  >= $CANBERRA_GTK_REQUIRED)
+PKG_CHECK_MODULES(GBRAINY, libcanberra-gtk-3-0  >= $CANBERRA_GTK_REQUIRED)
 AC_SUBST(GBRAINY_LIBS)
 
 AC_ARG_ENABLE(addins, AC_HELP_STRING([--disable-addins], [Disable mono-addins support]), , 
enable_addins="no")
diff --git a/src/Core/Platform/Unix.cs b/src/Core/Platform/Unix.cs
index 1ffb971..410d0fd 100644
--- a/src/Core/Platform/Unix.cs
+++ b/src/Core/Platform/Unix.cs
@@ -42,7 +42,7 @@ namespace gbrainy.Core.Platform
                [DllImport("libgtk-win32-2.0-0.dll")]
                static extern unsafe bool gtk_show_uri(IntPtr screen, IntPtr uri, uint timestamp, out IntPtr 
error);
 
-               [DllImport ("libcanberra-gtk.so.0")]
+               [DllImport ("libcanberra-gtk3.so.0")]
                static extern void ca_gtk_play_for_widget (IntPtr widget, uint id, string name1, string 
prop1, string name2, string prop2, IntPtr nil);
 
                /* Taken from locale.h  */