unicode.c: Fix WinCE build (well for this file only)

src/misc/unicode.c

@@ -32,14 +32,18 @@
 #include <stdio.h>
 #include <errno.h>
 #include <sys/types.h>
-#include <dirent.h>
+#ifdef HAVE_DIRENT_H
+#  include <dirent.h>
+#endif
+#ifdef UNDER_CE
+#  include <tchar.h>
+#endif
 #ifdef HAVE_SYS_STAT_H
 # include <sys/stat.h>
 #endif
 #ifndef HAVE_LSTAT
 # define lstat( a, b ) stat(a, b)
 #endif
-
 #ifdef __APPLE__
 /* Define this if the OS always use UTF-8 internally */
 # define ASSUME_UTF8 1
@@ -47,6 +51,7 @@
 
 #if !(defined (WIN32) || defined (UNDER_CE) || defined (ASSUME_UTF8))
 # define USE_ICONV 1
+#error use iconv 1
 #endif
 
 #if defined (USE_ICONV) && !defined (HAVE_ICONV)