Fix file permissions for daemon/thread.cc
Fix file permissions for daemon/thread.cc

A source file does not need execute bit set

Change-Id: Idf94c9a3ec0eec2c96c5856d2d79d61d3c35ef56
Reviewed-on: http://review.couchbase.org/92838
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Dave Rigby <a09264da4832c7ff1d3bf1608a19f4b870f93750@couchbase.com>

daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine