ECC-1427: clean up

src/grib_accessor_class_data_ccsds_packing.c

@@ -224,6 +224,7 @@ static int unpack_double(grib_accessor* a, double* val, size_t* len)
     size_t n_vals      = 0;
     size_t size        = 0;
     unsigned char* decoded = NULL;
+    /*unsigned char* p       = NULL;*/
     long pos               = 0;
     long nn                = 0;