[PATCH] Removed incorrect NGX_SUPPRESS_WARN usage

[Maxim Dounin]

# HG changeset patch
# User Maxim Dounin <mdounin at mdounin.ru>
# Date 1716562380 -10800
#      Fri May 24 17:53:00 2024 +0300
# Node ID e2b22024f6a1c102b3a42016f184cd09e2a49067
# Parent  5e7588d2d9cc8be293eae25f27a319721623db81
Removed incorrect NGX_SUPPRESS_WARN usage.

The len variable in ngx_http_variable_unknown_header() needs to be
initialized to 0, as it is incremented by subsequent code.

diff --git a/src/http/ngx_http_variables.c b/src/http/ngx_http_variables.c
--- a/src/http/ngx_http_variables.c
+++ b/src/http/ngx_http_variables.c
@@ -932,9 +932,7 @@ ngx_http_variable_unknown_header(ngx_htt
     ngx_table_elt_t  *header, *h, **ph;
 
     ph = &h;
-#if (NGX_SUPPRESS_WARN)
     len = 0;
-#endif
 
     header = part->elts;