updated os/2 config file
diff --git a/include/SDL_config_os2.h b/include/SDL_config_os2.h
index efb4e84..f03ca4a 100644
--- a/include/SDL_config_os2.h
+++ b/include/SDL_config_os2.h
@@ -123,12 +123,21 @@
#define HAVE_STRTOD 1
#define HAVE_ATOI 1
#define HAVE_ATOF 1
+#define HAVE_WCSLEN 1
+#define HAVE_WCSLCPY 1
+#define HAVE_WCSLCAT 1
+/* #define HAVE_WCSDUP 1 */
+/* #define wcsdup _wcsdup */
+#define HAVE_WCSSTR 1
+#define HAVE_WCSCMP 1
+#define HAVE_WCSNCMP 1
#define HAVE_STRCMP 1
#define HAVE_STRNCMP 1
#define HAVE_STRICMP 1
#define HAVE_STRCASECMP 1
#define HAVE_STRNCASECMP 1
-#define HAVE_SSCANF 1
+#define HAVE_SSCANF 1
+#define HAVE_VSSCANF 1
#define HAVE_SNPRINTF 1
#define HAVE_VSNPRINTF 1
#define HAVE_SETJMP 1