[releng] build-functions: Log also to stderr

[Till Maas]

commit 46f3cf20a86dad0afa19d02df9c0e7a4e2ad631d
Author: Till Maas <opensource at till.name>
Date:   Wed Nov 12 17:38:14 2014 +0100

    build-functions: Log also to stderr

 scripts/build-functions.sh |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/scripts/build-functions.sh b/scripts/build-functions.sh
index 0025c81..208c932 100644
--- a/scripts/build-functions.sh
+++ b/scripts/build-functions.sh
@@ -43,7 +43,7 @@ touch "${logfile}"
 function log()
 {
     message="${1}"
-    echo "$(date --utc) build${DIST}: ${message}" >> "${logfile}"
+    echo "$(date --utc) build${DIST}: ${message}" | tee -a "${logfile}" >&2
 }
 
 function send_fedmsg()