Fix display of Unicode text.

Turns out that SWI-Prolog's wide string functions, which I started
using in 03fe361, do not convert between narrow Prolog atoms and wide
C strings, as I mistakenly thought. Instead, they work with wide
Prolog atoms. In hindsight, it is not surprising.

1 files changed, 1 insertions, 0 deletions

diff --git a/c/common.h b/c/common.h
index 5fe6d62..fb21e6f 100644
--- a/c/common.h
+++ b/c/common.h
@@ -11,6 +11,7 @@
 #define WA "A"
 #endif
 
+template <typename T> std::basic_string<T> BstrFromSz(const char* sz, int iCp = CP_UTF8);
 int EBMessageBox(const TCHAR* tszText, const TCHAR* tszCaption, unsigned uType);
 
 struct Win32Error : public std::exception