Adopt wcstring in env_set

1 files changed, 1 insertions, 1 deletions

diff --git a/env.h b/env.h
index b8869f40..63e834da 100644
--- a/env.h
+++ b/env.h
@@ -81,7 +81,7 @@ void env_destroy();
    * ENV_INVALID, the variable name or mode was invalid
 */
 
-int env_set(const wchar_t *key,  const wchar_t *val, int mode);
+int env_set(const wcstring &key, const wchar_t *val, int mode);
 
 
 /**