Extend prospection to all tasks starting with this term

models/project.py

@@ -44,7 +44,7 @@ class FilamentProjet(models.Model):
 		self.lf_heures_prospection = 0.0
 		## Calcul heures   
 		if self.use_prospection:
-			self.env.cr.execute("select sum(aal.unit_amount) from account_analytic_line aal, project_task pt where aal.project_id=%s and pt.name like 'Prospection' and pt.id=aal.task_id;", (project, ) )
+			self.env.cr.execute("select sum(aal.unit_amount) from account_analytic_line aal, project_task pt where aal.project_id=%s and pt.name like %s and pt.id=aal.task_id;", (project, "Prospection%",) )
 			heures_prospection = self.env.cr.fetchone()[0]
 			if heures_prospection:
 				self.lf_heures_prospection = heures_prospection