supress warning

tools/itscertgen/generator/certgen.c

@@ -1393,7 +1393,6 @@ static int location_tag (cxml_handler_t* const _h, cxml_tag_t * const tag)
 		absolute = cstrequal(v, "absolute");
 			
 		v = cxml_tag_attr_value(tag, "latitude");
-		int relative = 1;
 		if(v == NULL){
 			fprintf(stderr, "ERROR: Latitude must be specified for location.\n");
 			return -1;