secur32: Fix conversion of password in NTLM AcquireCredentialsHandleA.
diff --git a/dlls/secur32/ntlm.c b/dlls/secur32/ntlm.c
index 94715b5..3de699f 100644
--- a/dlls/secur32/ntlm.c
+++ b/dlls/secur32/ntlm.c
@@ -353,7 +353,7 @@
                 passwd = HeapAlloc(GetProcessHeap(), 0, passwd_sizeW
                     * sizeof(SEC_WCHAR));
                 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)identity->Password,
-                    identity->PasswordLength, passwd, passwd_sizeW);
+                    identity->PasswordLength+1, passwd, passwd_sizeW);
             }
             else
             {