Land rapid7#6887, add a missing postgresql 9.4.1-5 matching case

Author: wchen-r7

lib/msf/core/exploit/postgres.rb

@@ -298,7 +298,9 @@ def analyze_auth_error(e)
     when "Fauth.c:L302:Rauth_failed"          ; return {:preauth => "9.1.6"} # Bad password, good database
     when "Fpostinit.c:L718:RInitPostgres"     ; return {:preauth => "9.1.6"} # Good creds, non-existent but allowed database
     when "Fauth.c:L483:RClientAuthentication" ; return {:preauth => "9.1.6"} # Bad user
+    when "Fmiscinit.c:L362:RInitializeSessionUserId" ; return {:preauth => "9.4.1-5"} # Bad user
     when "Fauth.c:L285:Rauth_failed"          ; return {:preauth => "9.4.1-5"} # Bad creds, good database
+    when "Fpostinit.c:L794:RInitPostgres"     ; return {:preauth => "9.4.1-5"} # Good creds, non-existent but allowed database
     when "Fauth.c:L481:RClientAuthentication" ; return {:preauth => "9.4.1-5"} # bad user or host
 
     # Windows