Fix path to wordlists

Index: discovery/googlesearch.py
--- discovery/googlesearch.py.orig
+++ discovery/googlesearch.py
@@ -94,7 +94,7 @@ class search_google:
 
     def append_dorks(self):
         try:  # wrap in try-except incase filepaths are messed up
-            with open('wordlists/dorks.txt', mode='r') as fp:
+            with open('${PREFIX}/share/theharvester/wordlists/dorks.txt', mode='r') as fp:
                 self.dorks = [dork.strip() for dork in fp]
         except IOError as error:
             print(error)