Changed blue cloro to be more visible on black background xterm

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7580 818b1a75-f10b-46b9-bf7c-635c3b92a50f

cmake_targets/tools/build_helper

@@ -40,7 +40,7 @@ black='\E[30m'
 red='\E[31m'
 green='\E[32m'
 yellow='\E[33m'
-blue='\E[34m'
+blue='\E[1;34m'
 magenta='\E[35m'
 cyan='\E[36m'
 white='\E[37m'