+2007-05-29 Bruno Haible <bruno@clisp.org>
+
+ Fix a problem with #include_next.
+ * lib/dirent_.h: Split the double-inclusion guard.
+ * lib/fcntl_.h: Likewise.
+ * lib/float_.h: Likewise.
+ * lib/iconv_.h: Likewise.
+ * lib/inttypes_.h: Likewise.
+ * lib/locale_.h: Likewise.
+ * lib/math_.h: Likewise.
+ * lib/netinet_in_.h: Likewise.
+ * lib/search_.h: Likewise.
+ * lib/signal_.h: Likewise.
+ * lib/stdint_.h: Likewise.
+ * lib/stdio_.h: Likewise.
+ * lib/stdlib_.h: Likewise.
+ * lib/string_.h: Likewise.
+ * lib/sys_select_.h: Likewise.
+ * lib/sys_socket_.h: Likewise.
+ * lib/sys_stat_.h: Likewise.
+ * lib/sys_time_.h: Likewise.
+ * lib/sysexits_.h: Likewise.
+ * lib/time_.h: Likewise.
+ * lib/unistd_.h: Likewise.
+ * lib/wchar_.h: Likewise.
+ * lib/wctype_.h: Likewise.
+