cookies: follow-up fix for path checking

The initial fix to only compare full path names were done in commit
04f52e9b4d but found out to be incomplete. This takes should make the
change more complete and there's now two additional tests to verify
(test 31 and 62).

tests/data/test62

@@ -29,7 +29,7 @@ http
 HTTP, send cookies when using custom Host:
  </name>
  <command>
-http://%HOSTIP:%HTTPPORT/we/want/62 -b log/jar62.txt -H "Host: www.host.foo.com"
+http://%HOSTIP:%HTTPPORT/we/want/62 http://%HOSTIP:%HTTPPORT/we/want?hoge=fuga -b log/jar62.txt -H "Host: www.host.foo.com"
 </command>
 <file name="log/jar62.txt">
 # Netscape HTTP Cookie File
@@ -55,6 +55,11 @@ Accept: */*
 Cookie: test2=yes; test=yes
 Host: www.host.foo.com
 
+GET /we/want?hoge=fuga HTTP/1.1
+Accept: */*
+Cookie: test2=yes; test=yes
+Host: www.host.foo.com
+
 </protocol>
 </verify>
 </testcase>