Fix clang warning: result of comparison of constant 128 with expression of...

Fix clang warning: result of comparison of constant 128 with expression of type 'std::vector<char>::value_type is always true.
4 jobs for develop in 14 minutes and 47 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #17541
mistral xen
build-gcc64

00:03:16

passed #17542
mistral xen
build-intel18

00:09:28

 
  Check
passed #17543
mistral xen
check-gcc64

00:04:54

passed #17544
mistral xen
check-intel18

00:05:18