Patch to force alignment in OpenGL if it isn't correctlt positionned before,...

Patch to force alignment in OpenGL if it isn't correctlt positionned before, as panoramix does do it correctly. Patch By Cedric Cocquebert.

modules/video_output/opengl.c

@@ -671,6 +671,12 @@ static int Manage( vout_thread_t *p_vout )
         p_sys->p_vout->pf_unlock( p_sys->p_vout );
     }
 #endif
+// to align in real time in OPENGL
+	if (p_sys->p_vout->i_alignment != p_vout->i_alignment)
+	{
+		p_vout->i_changes = VOUT_CROP_CHANGE;		//to force change
+    	p_sys->p_vout->i_alignment = p_vout->i_alignment;	
+	}
 	
     return i_ret;
 }