tools: Add missing unistd.h header

`close` was implicitly defined, include `unistd.h` to define it explicitly so that the FreeBSD compile succeeds.
Grbt49 · Dec 29, 2018 · c57e63b · c57e63b
1 parent f9f4ed8
commit c57e63b
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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[] =