Missing of quotation in `compilervars_arch.sh`

Hello, My name is Hao,

I am using centos and I installed parallel studio for student.

In `/opt/intel/compilers_and_libraries_2017/linux/pkg_bin/compilervars_arch.sh`, line 54, it write:

```for a in 9 10 11 12 13 14 15 16 17 18 19 21 L 23 24; do```

I don't know what is the meaning of this sentence but if I alias "L" before source `iccvars.sh` in the shell(I am using zsh), it may throw error.

So, maybe one more quotation is better...