VR: fix duplicated lines in .htaccess (#10254)

Author: weizhouapache

systemvm/debian/opt/cloud/bin/configure.py

@@ -932,6 +932,7 @@ def __htaccess(self, ip, folder, file):
         if os.path.exists(htaccessFile):
             fh = open(htaccessFile, "a+")
             self.__exflock(fh)
+            fh.seek(0)
             if entry not in fh.read():
                 fh.write(entry + '\n')
             self.__unflock(fh)
@@ -969,6 +970,7 @@ def __htaccess(self, ip, folder, file):
 
             fh = open(htaccessFile, "a+")
             self.__exflock(fh)
+            fh.seek(0)
             if entry not in fh.read():
                 fh.write(entry + '\n')