KERNEL: GetTempFileNameW should not require prefix

[Phil Lodwick]

> Please create the diff from the root of th project:

Here is the patch from root.  Thanks Dimi!

Phil

Index: dlls/kernel/path.c
===================================================================
RCS file: /home/wine/wine/dlls/kernel/path.c,v
retrieving revision 1.26
diff -u -r1.26 path.c
--- dlls/kernel/path.c	8 Nov 2005 11:01:03 -0000	1.26
+++ dlls/kernel/path.c	8 Nov 2005 21:40:21 -0000
@@ -651,7 +651,7 @@
     int i;
     LPWSTR p;
 
-    if ( !path || !prefix || !buffer )
+    if ( !path || !buffer )
     {
         SetLastError( ERROR_INVALID_PARAMETER );
         return 0;
@@ -663,7 +663,8 @@
     /* add a \, if there isn't one  */
     if ((p == buffer) || (p[-1] != '\\')) *p++ = '\\';
 
-    for (i = 3; (i > 0) && (*prefix); i--) *p++ = *prefix++;
+    if (prefix)
+        for (i = 3; (i > 0) && (*prefix); i--) *p++ = *prefix++;
 
     unique &= 0xffff;