Fix Windows build of test6

The functions implemented in Heap.c are not usable for Windows builds.
Therefore use only for none MSVC builds.
Signed-off-by: Juergen Kosel <juergen.kosel@softing.com>

test/test6.c

@@ -510,10 +510,11 @@ int recreateReconnect(void)
 		MyLog(LOGA_ALWAYS, "Recreating client");
 
 		MQTTAsync_destroy(&client); /* destroy the client object so that we force persistence to be read on recreate */
-
+#if !defined(_WINDOWS)
 		heap_info* mqtt_mem = 0;
 		mqtt_mem = Heap_get_info();
 		MyLog(LOGA_INFO, "MQTT mem current %ld, max %ld",mqtt_mem->current_size,mqtt_mem->max_size);
+#endif
 		//if (mqtt_mem->current_size > 20)
 		//  HeapScan(5);
 
@@ -1028,12 +1029,12 @@ exit:
 destroy_exit:
 	MQTTAsync_destroy(&control_client);
 
-#include "Heap.h"
+#if !defined(_WINDOWS)
 	heap_info* mqtt_mem = 0;
 	mqtt_mem = Heap_get_info();
 	MyLog(LOGA_INFO, "MQTT mem current %ld, max %ld",mqtt_mem->current_size,mqtt_mem->max_size);
-	if (mqtt_mem->current_size > 0)
+	/*if (mqtt_mem->current_size > 0) */
 	  /*failures++*/; /* consider any not freed memory as failure */
-
+#endif
 	return 0;
 }