Fixing $in_commment, line 70

The make command outputs: `PHP Notice:  Undefined variable: in_commment in ... line 70` due to a simple error syntax: $in_comment is declared at line 64 correctly, then from line 68 to 70 is written with three m: in_commment.
Merge pull request #4 from cerealbeer/patch-1

Fixing $in_commment, line 70