Allow ipa-replica-conncheck and ipa-adtrust-install to read krb5 includedir

https://fedorahosted.org/freeipa/ticket/3132

install/tools/ipa-replica-conncheck

@@ -165,7 +165,7 @@ def sigterm_handler(signum, frame):
 def configure_krb5_conf(realm, kdc, filename):
 
     krbconf = ipaclient.ipachangeconf.IPAChangeConf("IPA Installer")
-    krbconf.setOptionAssignment(" = ")
+    krbconf.setOptionAssignment((" = ", " "))
     krbconf.setSectionNameDelimiters(("[","]"))
     krbconf.setSubSectionDelimiters(("{","}"))
     krbconf.setIndent(("","  ","    "))