[seed] Clean up some C-side warnings.

[Tim Horton <hortont src gnome org>]

commit 36f67c22dfc97aeb92cc44dd85ce77bb64fdb79f
Author: Tim Horton <hortont svn gnome org>
Date:   Wed May 13 05:49:41 2009 -0400

    Clean up some C-side warnings.
---
 libseed/seed-signals.c   |    2 +-
 modules/dbus/util/dbus.c |    5 +++--
 modules/libxml/libxml.c  |    6 +++---
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/libseed/seed-signals.c b/libseed/seed-signals.c
index c05a695..8d43bda 100644
--- a/libseed/seed-signals.c
+++ b/libseed/seed-signals.c
@@ -295,7 +295,7 @@ seed_gobject_signal_connect_on_property (JSContextRef ctx,
 					 const JSValueRef arguments[],
 					 JSValueRef * exception)
 {
-  gulong id;
+  gulong id = 0;
   JSObjectRef this_obj;
   signal_privates *privates;
 
diff --git a/modules/dbus/util/dbus.c b/modules/dbus/util/dbus.c
index ec46679..c461352 100644
--- a/modules/dbus/util/dbus.c
+++ b/modules/dbus/util/dbus.c
@@ -191,9 +191,10 @@ _big_dbus_get_weak_ref(DBusBusType which_bus)
         return session_bus_weak_ref;
     } else if (which_bus == DBUS_BUS_SYSTEM) {
         return system_bus_weak_ref;
-    } else {
-        g_assert_not_reached();
     }
+    
+    g_assert_not_reached();
+    return NULL;
 }
 
 static DBusHandlerResult
diff --git a/modules/libxml/libxml.c b/modules/libxml/libxml.c
index 8159dd7..dd45005 100644
--- a/modules/libxml/libxml.c
+++ b/modules/libxml/libxml.c
@@ -88,7 +88,7 @@ seed_xml_parse_file (SeedContext ctx,
   if (argument_count != 1)
     {
       seed_make_exception (ctx, exception, "ArgumentError",
-			   "parseFile expected 1 argument, got %d",
+			   "parseFile expected 1 argument, got %zd",
 			   argument_count);
       return seed_make_null (ctx);
     }
@@ -121,7 +121,7 @@ seed_xml_parse_string (SeedContext ctx,
   if (argument_count != 1)
     {
       seed_make_exception (ctx, exception, "ArgumentError",
-			   "parseString expected 1 argument, got %d",
+			   "parseString expected 1 argument, got %zd",
 			   argument_count);
       return seed_make_null (ctx);
     }
@@ -314,7 +314,7 @@ seed_xml_xpath_eval (SeedContext ctx,
     {
       seed_make_exception (ctx, exception, 
 			   "ArgumentError",
-			   "xpathEval expected 1 argument, got %d",
+			   "xpathEval expected 1 argument, got %zd",
 			   argument_count);
       return seed_make_null (ctx);
     }