Hans Leidekker : webservices: Don' t write a colon for namespace attributes with empty prefix.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 3b6f7148b66f8453fa8667d62fe7e529cc10fb89
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=3b6f7148b66f8453fa8667d62fe7e529cc10fb89

Author: Hans Leidekker <hans at codeweavers.com>
Date:   Wed Jan 24 14:29:59 2018 +0100

webservices: Don't write a colon for namespace attributes with empty prefix.

Signed-off-by: Hans Leidekker <hans at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/webservices/writer.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/webservices/writer.c b/dlls/webservices/writer.c
index 08b3410..b7dab3a 100644
--- a/dlls/webservices/writer.c
+++ b/dlls/webservices/writer.c
@@ -1482,11 +1482,11 @@ static HRESULT write_namespace_attribute_text( struct writer *writer, const WS_X
     /* ' xmlns:prefix="namespace"' */
 
     size = attr->ns->length + 9 /* ' xmlns=""' */;
-    if (attr->prefix) size += attr->prefix->length + 1 /* ':' */;
+    if (attr->prefix && attr->prefix->length) size += attr->prefix->length + 1 /* ':' */;
     if ((hr = write_grow_buffer( writer, size )) != S_OK) return hr;
 
     write_bytes( writer, (const BYTE *)" xmlns", 6 );
-    if (attr->prefix)
+    if (attr->prefix && attr->prefix->length)
     {
         write_char( writer, ':' );
         write_bytes( writer, attr->prefix->bytes, attr->prefix->length );