diff -r ddef14468952 -r f5764e177bbe contrib/chg/util.h
--- a/contrib/chg/util.h	Sun Apr 10 03:14:32 2016 +0100
+++ b/contrib/chg/util.h	Mon Apr 11 00:17:17 2016 +0100
@@ -24,6 +24,7 @@
 void debugmsg(const char *fmt, ...) PRINTF_FORMAT_;
 
 void fchdirx(int dirfd);
+void fsetcloexec(int fd);
 void *mallocx(size_t size);
 void *reallocx(void *ptr, size_t size);