[empathy] empathy_accounts_dialog_show_application: try to run "empathy-accounts" from source

[Guillaume Desmottes <gdesmott src gnome org>]

commit 613e72b79f276b5258ca06eece2fc5fa11edf232
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Tue Feb 16 12:19:10 2010 +0000

    empathy_accounts_dialog_show_application: try to run "empathy-accounts" from source
    
    This fix starting the accounts dialog for people (testers mostly) using
    Empathy from a not installed build.

 src/empathy-accounts-dialog.c |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)
---
diff --git a/src/empathy-accounts-dialog.c b/src/empathy-accounts-dialog.c
index d438eec..f6aaf07 100644
--- a/src/empathy-accounts-dialog.c
+++ b/src/empathy-accounts-dialog.c
@@ -2243,7 +2243,16 @@ empathy_accounts_dialog_show_application (GdkScreen *screen,
   g_return_if_fail (GDK_IS_SCREEN (screen));
   g_return_if_fail (!selected_account || TP_IS_ACCOUNT (selected_account));
 
-  path = g_build_filename (BIN_DIR, "empathy-accounts", NULL);
+  /* Try to run from source directory if possible */
+  path = g_build_filename (g_getenv ("EMPATHY_SRCDIR"), "src",
+      "empathy-accounts", NULL);
+
+  if (!g_file_test (path, G_FILE_TEST_EXISTS))
+    {
+      g_free (path);
+      path = g_build_filename (BIN_DIR, "empathy-accounts", NULL);
+    }
+
   argv[i++] = path;
 
   if (selected_account)