Fix update of color when using HTML5

Author: eldy

htdocs/user/class/user.class.php

@@ -2159,7 +2159,7 @@ public function update($user, $notrigger = 0, $nosyncmember = 0, $nosyncmemberpa
 
 		$this->accountancy_code_user_general	= trim((string) $this->accountancy_code_user_general);
 		$this->accountancy_code				= trim((string) $this->accountancy_code);
-		$this->color						= trim((string) $this->color);
+		$this->color						= trim(str_replace('#', '', (string) $this->color));
 		$this->dateemployment				= empty($this->dateemployment) ? '' : $this->dateemployment;
 		$this->dateemploymentend			= empty($this->dateemploymentend) ? '' : $this->dateemploymentend;