[glom] Check that GThread is supported before calling Glib::thread_init().

[Murray Cumming <murrayc src gnome org>]

commit b135c67d982ef1f840e4e18af7571dde72a0a6f5
Author: David King <davidk openismus com>
Date:   Thu Jul 23 13:40:32 2009 +0200

    Check that GThread is supported before calling Glib::thread_init().
    
    * glom/libglom/init.cc: Check that GThread is supported before calling
    Glib::thread_init(). This fixes a crash, as otherwise g_thread_init()
    can be called twice.

 ChangeLog            |    8 +++++++-
 glom/libglom/init.cc |    2 +-
 2 files changed, 8 insertions(+), 2 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index bc981c9..378e52b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,10 @@
-2009-07-22  Johannes Schmid <jschmid openismus com>
+2009-07-23  David King  <davidk openismus com>
+
+	* glom/libglom/init.cc: Check that GThread is supported before calling
+	Glib::thread_init(). This fixes a crash, as otherwise g_thread_init()
+	can be called twice.
+
+2009-07-22  Johannes Schmid  <jschmid openismus com>
 
 	* configure.ac: Fixed typo with libepc
 
diff --git a/glom/libglom/init.cc b/glom/libglom/init.cc
index f3791ed..902f158 100644
--- a/glom/libglom/init.cc
+++ b/glom/libglom/init.cc
@@ -29,7 +29,7 @@ namespace Glom
 
 void libglom_init()
 {
-  g_thread_init(NULL); //So we can use GMutex.
+  if (!Glib::thread_supported()) Glib::thread_init(0); //So we can use GMutex.
   Gnome::Gda::init();
   Gio::init();