Don't use mktemp(), we are sure mkstemp() is available now

build.c

@@ -112,11 +112,7 @@ static char * getTarSpec(const char *arg)
     specDir = rpmGetPath("%{_specdir}", NULL);
     tmpSpecFile = rpmGetPath("%{_specdir}/", "rpm-spec.XXXXXX", NULL);
 
-#if defined(HAVE_MKSTEMP)
     (void) close(mkstemp(tmpSpecFile));
-#else
-    (void) mktemp(tmpSpecFile);
-#endif
 
     for (try = tryspec; *try != NULL; try++) {
 	FILE *fp;

lib/rpmchecksig.c

@@ -331,11 +331,7 @@ static int rpmReSign(rpmts ts, QVA_t qva, ARGV_const_t argv)
 	/* Write the lead/signature of the output rpm */
 	strcpy(tmprpm, rpm);
 	strcat(tmprpm, ".XXXXXX");
-#if defined(HAVE_MKSTEMP)
 	(void) close(mkstemp(tmprpm));
-#else
-	(void) mktemp(tmprpm);
-#endif
 	trpm = tmprpm;
 
 	if (manageFile(&ofd, trpm, O_WRONLY|O_CREAT|O_TRUNC))