[hurd,commited 1/5] hurd: Fix _S_msg_get/set_env_variable prototype

[Samuel Thibault]

_S_msg_get_env_variable and _S_msg_set_env_variable are taking string_t,
not char *.

Fixes a warning with gcc 11.
---
 hurd/hurdmsg.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/hurd/hurdmsg.c b/hurd/hurdmsg.c
index ebf2e028ab..80b341f068 100644
--- a/hurd/hurdmsg.c
+++ b/hurd/hurdmsg.c
@@ -295,7 +295,7 @@ _S_msg_set_fd (mach_port_t msgport, mach_port_t auth,
 
 kern_return_t
 _S_msg_get_env_variable (mach_port_t msgport,
-                        char *variable,
+                        string_t variable, //
                         char **data, mach_msg_type_number_t *datalen)
 {
   error_t err;
@@ -322,8 +322,8 @@ _S_msg_get_env_variable (mach_port_t msgport,
 
 kern_return_t
 _S_msg_set_env_variable (mach_port_t msgport, mach_port_t auth,
-                        char *variable,
-                        char *value,
+                        string_t variable, //
+                        string_t value, //
                         int replace)
 {
   AUTHCHECK;
-- 
2.29.2