remove explicit declaration of putenv, ...

* src/date.c: ... now that gnulib guarantees that it's in <stdlib.h>.
* src/env.c: Likewise.

1 files changed, 0 insertions, 2 deletions

diff --git a/src/env.c b/src/env.c
index 97bec71d4..fb9d7932d 100644
--- a/src/env.c
+++ b/src/env.c
@@ -91,8 +91,6 @@
   proper_name ("Richard Mlynarik"), \
   proper_name ("David MacKenzie")
 
-int putenv ();
-
 extern char **environ;
 
 static struct option const longopts[] =