Description: avoid implicit declarations and add more header files
Index: gcal-4.1/src/tailor.h
===================================================================
--- gcal-4.1.orig/src/tailor.h	2018-08-14 13:21:09.207258629 +0200
+++ gcal-4.1/src/tailor.h	2018-08-14 13:21:09.199258629 +0200
@@ -590,6 +590,8 @@
 #  else	/* !MSDOS */
 # include <tmpdir.h>
 # include <stdio.h>
+# include <unistd.h>
+# include <stdlib.h>
 
 static char __buftmpfn[2048];
 static char *_tmpfn ()