Fix memleaks in iscsi-ls, iscsi-inq & iscsi-readcapacity16

src/iscsi-readcapacity16.c

@@ -58,7 +58,7 @@ int main(int argc, const char *argv[])
 	struct iscsi_context *iscsi;
 	const char **extra_argv;
 	int extra_argc = 0;
-	const char *url = NULL;
+	char *url = NULL;
 	struct iscsi_url *iscsi_url = NULL;
 	int show_help = 0, show_usage = 0, debug = 0, size_only=0;
 	int res;
@@ -117,6 +117,9 @@ int main(int argc, const char *argv[])
 		exit(10);
 	}
 	iscsi_url = iscsi_parse_full_url(iscsi, url);
+	
+	if (url) free(url);
+	
 	if (iscsi_url == NULL) {
 		fprintf(stderr, "Failed to parse URL: %s\n", 
 			iscsi_get_error(iscsi));