Rewrote uniq to be less than a third of the size, and fixed some other
minor problems.
diff --git a/include/busybox.h b/include/busybox.h
index 69f4554..faad206 100644
--- a/include/busybox.h
+++ b/include/busybox.h
@@ -395,6 +395,7 @@
extern char process_escape_sequence(char **ptr);
extern char *get_last_path_component(char *path);
extern void xregcomp(regex_t *preg, const char *regex, int cflags);
+extern FILE *xfopen(const char *path, const char *mode);
#ifndef DMALLOC
extern void *xmalloc (size_t size);