add back minimal fcntl.h needed for openat exposure

Author: danielhams

libdicl/configure.ac

@@ -1,6 +1,6 @@
 AC_PREREQ(2.65)
 AC_INIT([libdicl],
-        [0.1.38],
+        [0.1.39],
         [daniel.hams@gmail.com])
 
 AC_SUBST(ACLOCAL_AMFLAGS, "-I macros")

libdicl/src/repl_headers/Makefile.am

@@ -18,6 +18,7 @@ replinclude_HEADERS=		\
 	dirent.h		\
 	endian.h		\
 	error.h			\
+	fcntl.h			\
 	fnmatch.h		\
 	getopt-cdefs.h		\
 	getopt-core.h		\

libdicl/src/repl_headers/fcntl.h

@@ -0,0 +1,21 @@
+#ifndef LIBDICL_FCNTL_H
+#define LIBDICL_FCNTL_H
+
+#if defined(__GNUC__)
+#include_next <fcntl.h>
+#else
+#include "/usr/include/fcntl.h"
+#endif
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+  /* Missing pieces */
+  extern int openat(int fd, const char *path, int oflag, ...);
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif