Style and explicitness.

src/err.cpp

@@ -212,13 +212,13 @@ void zmq::win_error (char *buffer_, size_t buffer_size_)
 {
     DWORD errcode = GetLastError ();
 #if defined _WIN32_WCE
-    DWORD rc = FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM |
+    DWORD rc = FormatMessageW (FORMAT_MESSAGE_FROM_SYSTEM |
         FORMAT_MESSAGE_IGNORE_INSERTS, NULL, errcode, MAKELANGID(LANG_NEUTRAL,
-        SUBLANG_DEFAULT), (LPWSTR)buffer_, buffer_size_ / sizeof(wchar_t), NULL );
+        SUBLANG_DEFAULT), (LPWSTR)buffer_, buffer_size_ / sizeof(wchar_t), NULL);
 #else
     DWORD rc = FormatMessageA (FORMAT_MESSAGE_FROM_SYSTEM |
         FORMAT_MESSAGE_IGNORE_INSERTS, NULL, errcode, MAKELANGID(LANG_NEUTRAL,
-        SUBLANG_DEFAULT), buffer_, (DWORD) buffer_size_, NULL );
+        SUBLANG_DEFAULT), buffer_, (DWORD) buffer_size_, NULL);
 #endif
     zmq_assert (rc);
 }