gentoo-overlay/app-text/txt2pdbdoc/files/txt2pdbdoc-1.4.4-implicit-decl-getopt.patch

--- a/txt2pdbdoc.c
+++ b/txt2pdbdoc.c
@@ -25,6 +25,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 /* local */
 #include "palm.h"