fix nrf52 build

src/concurrency/PosixNotifiedWorkerThread.cpp

@@ -1,4 +1,7 @@
 #include "PosixNotifiedWorkerThread.h"
+
+#ifdef __unix__
+
 #include <Utility.h>
 
 using namespace concurrency;
@@ -11,4 +14,6 @@ void PosixNotifiedWorkerThread::notify(uint32_t v, eNotifyAction action) NOT_IMP
 /**
  * A method that should block execution - either waiting ona queue/mutex or a "task notification"
  */
-void PosixNotifiedWorkerThread::block() NOT_IMPLEMENTED("block");
+void PosixNotifiedWorkerThread::block() NOT_IMPLEMENTED("block");
+
+#endif

src/mesh/mesh-pb-constants.cpp

@@ -6,10 +6,10 @@
 #include <pb_decode.h>
 #include <pb_encode.h>
 
-#if 0 // FIXME NRF52 only
+#ifdef ARDUINO_ARCH_NRF52
 #include "Adafruit_LittleFS.h"
 using namespace Adafruit_LittleFS_Namespace; // To get File type
-#endif 
+#endif
 
 /// helper function for encoding a record as a protobuf, any failures to encode are fatal and we will panic
 /// returns the encoded packet size
@@ -49,7 +49,7 @@ bool readcb(pb_istream_t *stream, uint8_t *buf, size_t count)
         return count == 0;
     }
 
-    status = (file->read(buf, count) == (int) count);
+    status = (file->read(buf, count) == (int)count);
 
     if (file->available() == 0)
         stream->bytes_left = 0;