ltpapicmd: tst_get_unused_port: Do not require envs

Do not require existing TST_* env variables for tst_get_unused_port just
like we do for the tst_kvercmp.

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>

tools/apicmds/ltpapicmd.c

@@ -357,8 +357,9 @@ int main(int argc, char *argv[])
 	tst_total = getenv("TST_TOTAL");
 	tst_cntstr = getenv("TST_COUNT");
 	if (TCID == NULL || tst_total == NULL || tst_cntstr == NULL) {
-		if ((strcmp(cmd_name, "tst_kvercmp") != 0)
-				&& (strcmp(cmd_name, "tst_kvercmp2") != 0)) {
+		if (!strcmp(cmd_name, "tst_kvercmp") &&
+		    !strcmp(cmd_name, "tst_kvercmp2") &&
+		    !strcmp(cmd_name, "tst_get_unused_port")) {
 			fprintf(stderr,
 				"\nSet variables TCID, TST_TOTAL, and TST_COUNT before each test:\n"
 				"export TCID=<test name>\n"