[libgis] Keep the sphere locked while drawing the wireframe

[Andy Spencer <andys src gnome org>]

commit f3ce9bea640d6c357cd328b4f89fa36121e70f4f
Author: Andy Spencer <andy753421 gmail com>
Date:   Mon Nov 1 03:47:24 2010 +0000

    Keep the sphere locked while drawing the wireframe

 src/gis-opengl.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/gis-opengl.c b/src/gis-opengl.c
index 377a83e..e5f6468 100644
--- a/src/gis-opengl.c
+++ b/src/gis-opengl.c
@@ -210,12 +210,12 @@ static gboolean on_expose(GisOpenGL *opengl, GdkEventExpose *event, gpointer _)
 #else
 	g_mutex_lock(opengl->objects_lock);
 	g_tree_foreach(opengl->objects, _draw_level, opengl);
-	g_mutex_unlock(opengl->objects_lock);
 	if (opengl->wireframe) {
 		glClear(GL_DEPTH_BUFFER_BIT);
 		glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
 		roam_sphere_draw(opengl->sphere);
 	}
+	g_mutex_unlock(opengl->objects_lock);
 #endif
 
 	GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(GTK_WIDGET(opengl));