Fix missing @load dependencies in some scripts.

And update the unit test which is supposed to catch such errors.

scripts/policy/protocols/ssl/expiring-certs.bro

@@ -4,6 +4,8 @@
 
 @load base/protocols/ssl
 @load base/files/x509
+@load base/frameworks/notice
+@load base/utils/directions-and-hosts
 
 module SSL;
 

scripts/policy/protocols/ssl/extract-certs-pem.bro

@@ -11,6 +11,7 @@
 
 @load base/protocols/ssl
 @load base/files/x509
+@load base/utils/directions-and-hosts
 
 module SSL;
 

scripts/policy/protocols/ssl/log-hostcerts-only.bro

@@ -1,6 +1,9 @@
 ##! When this script is loaded, only the host certificates (client and server)
 ##! will be logged to x509.log. Logging of all other certificates will be suppressed.
 
+@load base/protocols/ssl
+@load base/files/x509
+
 module X509;
 
 export {

testing/btest/coverage/bare-mode-errors.test

@@ -1,17 +1,9 @@
 # Makes sure any given bro script in the scripts/ tree can be loaded in
-# bare mode without error.  btest-bg-run/btest-bg-wait are used to kill off
-# scripts that block after loading, e.g. start listening on a socket.
+# bare mode without error.
 #
 # Commonly, this test may fail if one forgets to @load some base/ scripts
-# when writing a new bro scripts. Look into "allerrors" to find out
-# which script had trouble.
-#
-# @TEST-SERIALIZE: comm
+# when writing a new bro scripts.
 #
 # @TEST-EXEC: test -d $DIST/scripts
-# @TEST-EXEC: for script in `find $DIST/scripts/ -name \*\.bro -not -path '*/site/*'`; do echo "=== $script" >>allerrors; if echo "$script" | egrep -q 'communication/listen|controllee'; then rm -rf load_attempt .bgprocs; btest-bg-run load_attempt bro -b $script; btest-bg-wait -k 2; cat load_attempt/.stderr >>allerrors; else bro -b $script 2>>allerrors; fi done || exit 0
-# @TEST-EXEC: cat allerrors | grep -v "received termination signal" | fgrep -v -f %INPUT | grep -v '===' | sort | uniq > unique_errors
-# @TEST-EXEC: btest-diff unique_errors
-
-# White-list of tests to exclude because of cyclic load dependencies.
-scripts/base/protocols/ftp/utils.bro
+# @TEST-EXEC: for script in `find $DIST/scripts/ -name \*\.bro`; do bro -b --parse-only $script >>errors 2>&1; done
+# @TEST-EXEC: btest-diff errors