QNX Porting support for unbound branch-1.24.1 (#1388)

* qnx Porting support for version release-1.24.1

* updating __QNXNTO__ with __QNX__

testcode/unitverify.c

@@ -513,8 +513,11 @@ nsec3_hash_test(const char* fname)
 #define xstr(s) str(s)
 #define str(s) #s
 
+#ifndef __QNX__
 #define SRCDIRSTR xstr(SRCDIR)
-
+#else /* !__QNX__ */
+#define SRCDIRSTR "."
+#endif /* __QNX__ */
 #if defined(HAVE_SSL) && defined(USE_SHA1)
 /* Detect if openssl is configured to disable RSASHA1 signatures,
  * with the rh-allow-sha1-signatures disabled. */