[banshee] osx: use a common const string for DllImports of GtkMacIntegration

[Andrés Aragoneses <aaragoneses src gnome org>]

commit c2f6abca64ec4442cfb314d7dd19d98f7d4c4934
Author: Andrés G. Aragoneses <knocte gmail com>
Date:   Thu May 28 12:29:51 2015 +0200

    osx: use a common const string for DllImports of GtkMacIntegration
    
    This is just refactoring, no change of behaviour here.

 .../GtkOsxApplication.cs                           |   16 +++++++++-------
 1 files changed, 9 insertions(+), 7 deletions(-)
---
diff --git a/src/Backends/Banshee.Osx/OsxIntegration.GtkOsxApplication/GtkOsxApplication.cs 
b/src/Backends/Banshee.Osx/OsxIntegration.GtkOsxApplication/GtkOsxApplication.cs
index 60455fd..de722cd 100644
--- a/src/Backends/Banshee.Osx/OsxIntegration.GtkOsxApplication/GtkOsxApplication.cs
+++ b/src/Backends/Banshee.Osx/OsxIntegration.GtkOsxApplication/GtkOsxApplication.cs
@@ -76,25 +76,27 @@ namespace OsxIntegration.GtkOsxApplication
         // for documentation of these functions, see:
         // http://gtk-osx.sourceforge.net/ige-mac-integration/GtkOSXApplication.html
 
-        [DllImport ("libgtkmacintegration.dylib")]
+        private const string GtkMacIntegrationLibrary = "libgtkmacintegration.dylib";
+
+        [DllImport (GtkMacIntegrationLibrary)]
         protected extern static IntPtr gtk_osxapplication_get_type ();
 
-        [DllImport ("libgtkmacintegration.dylib")]
+        [DllImport (GtkMacIntegrationLibrary)]
         protected extern static void gtk_osxapplication_ready (IntPtr app);
 
-        [DllImport ("libgtkmacintegration.dylib")]
+        [DllImport (GtkMacIntegrationLibrary)]
         protected extern static void gtk_osxapplication_set_menu_bar (IntPtr app, IntPtr menu_shell);
 
-        [DllImport ("libgtkmacintegration.dylib")]
+        [DllImport (GtkMacIntegrationLibrary)]
         protected extern static void gtk_osxapplication_insert_app_menu_item (IntPtr app, IntPtr menu_item, 
int index);
 
-        [DllImport ("libgtkmacintegration.dylib")]
+        [DllImport (GtkMacIntegrationLibrary)]
         protected extern static void gtk_osxapplication_sync_menubar (IntPtr app);
 
-        [DllImport ("libgtkmacintegration.dylib")]
+        [DllImport (GtkMacIntegrationLibrary)]
         protected extern static void gtk_osxapplication_set_dock_menu  (IntPtr app, IntPtr menu_shell);
 
-        [DllImport ("libgtkmacintegration.dylib")]
+        [DllImport (GtkMacIntegrationLibrary)]
         protected extern static void gtk_osxapplication_set_window_menu (IntPtr app, IntPtr menu_item);
 
         // TODO add more functions from GtkOsxApplication