winunits-base: fix structure name

git-svn-id: trunk@17267 -

packages/winunits-base/src/uxtheme.pp

@@ -1445,7 +1445,7 @@ type
 {$EXTERNALSYM DTTOPTS}
   PDTTOPTS = ^_DTTOPTS;
 {$EXTERNALSYM PDTTOPTS}
-  TDTOpts = DTTOPTS;
+  TDTTOpts = DTTOPTS;
 
 // if (_WIN32_WINNT >= 0x0600)