add headers file, thanks christopher brannon

configure

@@ -159,7 +159,7 @@ tryldflag () {
 # Actual script
 
 CC_AUTO=
-CPPFLAGS_AUTO="-D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700 -iquote src/include-local -Isrc/include"
+CPPFLAGS_AUTO="-D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700 -D_GNU_SOURCE -iquote src/include-local -Isrc/include"
 CPPFLAGS_POST="$CPPFLAGS"
 CPPFLAGS=
 CFLAGS_AUTO="-pipe -Wall"

src/66/66-tree.c

@@ -30,6 +30,7 @@
 #include <skalibs/stralloc.h>
 #include <skalibs/djbunix.h>
 #include <skalibs/bytestr.h>//byte_count
+#include <skalibs/posixplz.h>//unlink_void
 
 #include <66/config.h>
 #include <66/utils.h>

src/lib66/ss_resolve.c

@@ -33,6 +33,7 @@
 #include <skalibs/diuint32.h>
 #include <skalibs/cdb_make.h>
 #include <skalibs/cdb.h>
+#include <skalibs/posixplz.h>//unlink_void
 
 #include <66/constants.h>
 #include <66/utils.h>

src/lib66/svc_init.c

@@ -16,7 +16,6 @@
 
 #include <string.h>
 #include <stdlib.h>
-//#include <stdio.h>
 
 #include <oblibs/log.h>
 #include <oblibs/string.h>
@@ -27,6 +26,7 @@
 #include <skalibs/types.h>
 #include <skalibs/tai.h>
 #include <skalibs/djbunix.h>
+#include <skalibs/posixplz.h>//touch
 
 #include <s6/s6-supervise.h>
 #include <s6/ftrigr.h>