tools: Add missing unistd.h header

`close` was implicitly defined, include `unistd.h` to define it explicitly so that the FreeBSD compile succeeds.
6 years ago · c57e63b31d
1 changed files with 1 additions and 0 deletions
--- a/tools/headerversions.c
+++ b/tools/headerversions.c
@ -10,6 +10,7 @@
 #include <sqlite3.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <unistd.h>
 #include <zlib.h>

 static const char template[] =