message: fix_style.sh: allow astyle 3.0
diff: # Check for the latest astyle version
  ASTYLE_VER_REQUIRED_1="Artistic Style Version 2.05.1"
  ASTYLE_VER_REQUIRED_2="Artistic Style Version 2.06"
  +ASTYLE_VER_REQUIRED_3="Artistic Style Version 3.0"
  ASTYLE_VER=`astyle --version`
  if [ "$ASTYLE_VER" != "$ASTYLE_VER_REQUIRED_1" -a \
  - "$ASTYLE_VER" != "$ASTYLE_VER_REQUIRED_2" ];
  + "$ASTYLE_VER" != "$ASTYLE_VER_REQUIRED_2" -a \
  + "$ASTYLE_VER" != "$ASTYLE_VER_REQUIRED_3" ];
  then
  echo "Error: you're using ${ASTYLE_VER}"
  echo "but should be using ${ASTYLE_VER_REQUIRED} instead"
  