Improved build handling when build fails without errors inside build issues

Change-Id: I0958a9a8e644c245fb0930f5d165e0aac4a74ce8
Reviewed-on: http://codereview.qt.nokia.com/4184


Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Bill King <bill.king@nokia.com>