Gabriel Ivăncescu : mshtml: Fix string leak on NamespaceError.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: fab55e22b725798e4d6da4736d178ce0d2f63c1b
URL:    https://gitlab.winehq.org/wine/wine/-/commit/fab55e22b725798e4d6da4736d178ce0d2f63c1b

Author: Gabriel Ivăncescu <gabrielopcode at gmail.com>
Date:   Thu Jul 28 16:05:35 2022 +0300

mshtml: Fix string leak on NamespaceError.

Signed-off-by: Gabriel Ivăncescu <gabrielopcode at gmail.com>

---

 dlls/mshtml/htmlelem.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlls/mshtml/htmlelem.c b/dlls/mshtml/htmlelem.c
index 826d131df77..f8fa285999e 100644
--- a/dlls/mshtml/htmlelem.c
+++ b/dlls/mshtml/htmlelem.c
@@ -4857,6 +4857,7 @@ static HRESULT WINAPI HTMLElement6_setAttributeNS(IHTMLElement6 *iface, VARIANT
         return hres;
     nsAString_GetData(&ns_str, &ns);
     if((!ns || !ns[0]) && wcschr(strAttributeName, ':')) {
+        nsAString_Finish(&ns_str);
         /* FIXME: Return NamespaceError */
         return E_FAIL;
     }