remove warnings, make it build

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3617 a1c6a512-1295-4272-9138-f99709370657

uisimulator/win32/file.h

@@ -19,9 +19,6 @@
 
 #ifndef _FILE_H_
 
-#include <stdio.h>
-#include <string.h>
-
 int win32_rename(char *oldpath, char *newpath);
 int win32_filesize(int fd);
 

uisimulator/win32/io.c

@@ -17,6 +17,8 @@
  *
  ****************************************************************************/
 
+#include <stdio.h>
+
 #include "file.h"
 #include "debug.h"
 

uisimulator/win32/sprintf.h

@@ -29,4 +29,7 @@ int vsnprintf (char *buf, int size, const char *fmt, va_list ap);
 char *strtok_r (char *, const char *, char **);
 #endif
 
+int rockbox_fprintf (int fd, const char *fmt, ...);
+#define fprintf rockbox_fprintf
+
 #endif /* __SPRINTF_H__ */