[evince] dvi: Don't use g_mutex_new().

[Carlos Garcia Campos <carlosgc src gnome org>]

commit 76151be92239ed5f491cb26c87a2328b670e9f64
Author: Carlos Garcia Campos <carlosgc gnome org>
Date:   Sun Dec 4 13:10:54 2011 +0100

    dvi: Don't use g_mutex_new().

 backend/dvi/dvi-document.c |   16 +++++++---------
 1 files changed, 7 insertions(+), 9 deletions(-)
---
diff --git a/backend/dvi/dvi-document.c b/backend/dvi/dvi-document.c
index 89d3189..8a3316b 100644
--- a/backend/dvi/dvi-document.c
+++ b/backend/dvi/dvi-document.c
@@ -40,7 +40,7 @@
 #endif
 #include <stdlib.h>
 
-GMutex *dvi_context_mutex = NULL;
+GMutex dvi_context_mutex;
 
 enum {
 	PROP_0,
@@ -95,12 +95,12 @@ dvi_document_load (EvDocument  *document,
 	if (!filename)
         	return FALSE;
 	
-	g_mutex_lock (dvi_context_mutex);
+	g_mutex_lock (&dvi_context_mutex);
 	if (dvi_document->context)
 		mdvi_destroy_context (dvi_document->context);
 
 	dvi_document->context = mdvi_init_context(dvi_document->params, dvi_document->spec, filename);
-	g_mutex_unlock (dvi_context_mutex);
+	g_mutex_unlock (&dvi_context_mutex);
 	g_free (filename);
 	
 	if (!dvi_document->context) {
@@ -172,7 +172,7 @@ dvi_document_render (EvDocument      *document,
 	 * thread safe. The work to the future - 
 	 * let context render page independently
 	 */
-	g_mutex_lock (dvi_context_mutex);
+	g_mutex_lock (&dvi_context_mutex);
 	
 	mdvi_setpage (dvi_document->context, rc->page->index);
 	
@@ -195,7 +195,7 @@ dvi_document_render (EvDocument      *document,
 	mdvi_cairo_device_render (dvi_document->context);
 	surface = mdvi_cairo_device_get_surface (&dvi_document->context->device);
 
-	g_mutex_unlock (dvi_context_mutex);
+	g_mutex_unlock (&dvi_context_mutex);
 
 	rotated_surface = ev_document_misc_surface_rotate_and_scale (surface,
 								     required_width,
@@ -211,12 +211,12 @@ dvi_document_finalize (GObject *object)
 {	
 	DviDocument *dvi_document = DVI_DOCUMENT(object);
 	
-	g_mutex_lock (dvi_context_mutex);
+	g_mutex_lock (&dvi_context_mutex);
 	if (dvi_document->context) {
 		mdvi_cairo_device_free (&dvi_document->context->device);
 		mdvi_destroy_context (dvi_document->context);
 	}
-	g_mutex_unlock (dvi_context_mutex);
+	g_mutex_unlock (&dvi_context_mutex);
 
 	if (dvi_document->params)
 		g_free (dvi_document->params);
@@ -254,8 +254,6 @@ dvi_document_class_init (DviDocumentClass *klass)
 	mdvi_register_special ("Color", "color", NULL, dvi_document_do_color_special, 1);
 	mdvi_register_fonts ();
 
-	dvi_context_mutex = g_mutex_new ();
-
 	ev_document_class->load = dvi_document_load;
 	ev_document_class->save = dvi_document_save;
 	ev_document_class->get_n_pages = dvi_document_get_n_pages;