Rename _macroToString to ARDUINO_THREADS_TO_STRING in order to avoid name collissions with different libraries.

Author: aentinger

Diff for: src/Arduino_Threads.h

@@ -82,12 +82,12 @@ public: \
 #define ARDUINO_THREADS_CONCAT_(x,y) x##y
 #define ARDUINO_THREADS_CONCAT(x,y) ARDUINO_THREADS_CONCAT_(x,y)
 
+#define ARDUINO_THREADS_TO_STRING(sequence) #sequence
+
 /**************************************************************************************
  * CLASS DECLARATION
  **************************************************************************************/
 
-#define _macroToString(sequence) #sequence
-
 class Arduino_Threads
 {
 public:
@@ -123,7 +123,7 @@ class Arduino_Threads
 
 #define THD_ENTER(tabname) class ARDUINO_THREADS_CONCAT(tabname, Class) : public Arduino_Threads { \
 public: \
-  ARDUINO_THREADS_CONCAT(tabname, Class)() { _tabname = _macroToString(tabname); } \
+  ARDUINO_THREADS_CONCAT(tabname, Class)() { _tabname = ARDUINO_THREADS_TO_STRING(tabname); } \
 private: \
 
 #define THD_DONE(tabname) \