parser.c: Fix malloc call.
parser.c: Fix malloc call.

Previously, this allocated memory for sizeof(data_type<1>) bytes of
memory where data_type<1> was the pointer data_type<2> *data_type<1>
declared on the same line. Now it correctly allocates memory for
sizeof(data_type<2>).

dansawkins/ark,8l/ark-c,naegelejd/ark,8l/ark-c,naegelejd/ark,8l/ark-c,dansawkins/ark,naegelejd/ark