Alexandre Julliard : ntdll: Fix counting of environment strings.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 599deed91cc6a91fa83072ac21d8516a4647e174
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=599deed91cc6a91fa83072ac21d8516a4647e174

Author: Alexandre Julliard <julliard at winehq.org>
Date:   Wed Nov 20 16:24:49 2019 +0100

ntdll: Fix counting of environment strings.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=48141
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/ntdll/env.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/ntdll/env.c b/dlls/ntdll/env.c
index 6c7ca1e499..79a1805618 100644
--- a/dlls/ntdll/env.c
+++ b/dlls/ntdll/env.c
@@ -526,7 +526,7 @@ char **build_envp( const WCHAR *envW )
     if (!(env = RtlAllocateHeap( GetProcessHeap(), 0, length ))) return NULL;
     ntdll_wcstoumbs( 0, envW, lenW, env, length, NULL, NULL );
 
-    for (p = env; *p; p += strlen(p) + 1)
+    for (p = env; *p; p += strlen(p) + 1, count++)
         if (is_special_env_var( p )) length += 4; /* prefix it with "WINE" */
 
     for (i = 0; i < ARRAY_SIZE( unix_vars ); i++)