tweak for platform diffs of flash string def

Author: gigapod

src/core/flux_base/flxCoreLog.h

@@ -13,7 +13,7 @@
 #pragma once
 
 // Messaging/logging system for the framework
-//#include "flxCoreEvent.h"
+// #include "flxCoreEvent.h"
 #include <WString.h>
 #include <map>
 #include <stdarg.h>
@@ -143,7 +143,13 @@ class flxLogging
 
     //-------------------------------------------------------------------------
     // generic log interface - for flash strings
-    int logPrintf(const flxLogLevel_t level, bool newline, const arduino::__FlashStringHelper *fmt, ...);
+    int logPrintf(const flxLogLevel_t level, bool newline,
+#if defined(ESP32) || defined(ESP8266)
+                  const __FlashStringHelper *fmt,
+#else
+                  const arduino::__FlashStringHelper *fmt,
+#endif
+                  ...);
 
     //-------------------------------------------------------------------------
     // generic log interface