fix sh fesetround failure to clear old mode

[musl] / src / env / unsetenv.c

diff --git a/src/env/unsetenv.c b/src/env/unsetenv.c
index 8630e2d..b14c4c9 100644 (file)
--- a/src/env/unsetenv.c
+++ b/src/env/unsetenv.c
@@ -1,9 +1,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <errno.h>
-#include "libc.h"
-
-char *__strchrnul(const char *, int);
+#include <unistd.h>
 
 static void dummy(char *old, char *new) {}
 weak_alias(dummy, __env_rm_add);