[PATCH 1 of 4] Removed unneeded local variable in ngx_libc_crypt()

[Maxim Dounin]

# HG changeset patch
# User Maxim Dounin <mdounin at mdounin.ru>
# Date 1766623499 -10800
#      Thu Dec 25 03:44:59 2025 +0300
# Node ID c348a55bad1160c1a503f0ae57352eb7ebfab74a
# Parent  0b1a383fcbb2aacb1ea3e5b228ea66ee30ec6eb9
Removed unneeded local variable in ngx_libc_crypt().

diff --git a/src/os/unix/ngx_user.c b/src/os/unix/ngx_user.c
--- a/src/os/unix/ngx_user.c
+++ b/src/os/unix/ngx_user.c
@@ -46,9 +46,8 @@ ngx_libc_crypt(ngx_pool_t *pool, u_char 
 ngx_int_t
 ngx_libc_crypt(ngx_pool_t *pool, u_char *key, u_char *salt, u_char **encrypted)
 {
-    char       *value;
-    size_t      len;
-    ngx_err_t   err;
+    char    *value;
+    size_t   len;
 
     value = crypt((char *) key, (char *) salt);
 
@@ -64,9 +63,7 @@ ngx_libc_crypt(ngx_pool_t *pool, u_char 
         return NGX_OK;
     }
 
-    err = ngx_errno;
-
-    ngx_log_error(NGX_LOG_CRIT, pool->log, err, "crypt() failed");
+    ngx_log_error(NGX_LOG_CRIT, pool->log, ngx_errno, "crypt() failed");
 
     return NGX_ERROR;
 }