fix-wchar

Author: steven-varga

thirdparty/intel-decimal-float/v2.2.0/src/bid_functions.h

@@ -43,8 +43,9 @@
 
 // Fix system header issue on Sun solaris and define required type by ourselves
 #if !defined(_WCHAR_T) && !defined(_WCHAR_T_DEFINED) && !defined(__QNX__)
-//typedef int   wchar_t;
-#endif
+   #ifndef __cplusplus
+      typedef int   wchar_t;
+   #endif
 #endif