Fix parsing of www.wbm.de

Close #34.

Author: noyainrain

places/berlin.ini

@@ -139,8 +139,8 @@ rent_field = div/div/div[2]/ul[1]/li/span/tail()
 [company:www.wbm.de]
 url = https://www.wbm.de/wohnungen-berlin/angebote/
 ad_path = .//div[@class='row openimmo-search-list-item']
-url_path = div[2]/article/div/div[3]/a/@href
-title_path = div[1]/article/div/h2
-location_path = div[2]/article/div/div[1]
-rooms_path = div[2]/article/div/ul[1]/li[3]/div[2]
-rent_field = div[2]/article/div/ul[1]/li[1]/div[2]
+url_path = div[2]/article/div/div[2]/a/@href
+title_path = div[2]/article/div/h2
+location_path = div[1]/article/div/div
+rooms_path = div[2]/article/div/ul[1]/li[3]/div[1]
+rent_field = div[2]/article/div/ul[1]/li[1]/div[1]