use correct way to get a pointer to vector elements in DoGetPartialTextExtents()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@25827 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/dc.cpp

@@ -1638,14 +1638,16 @@ bool wxDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) con
                                 text.c_str(),           // string to check
                                 wxMin(stlen, maxLenText),
                                 maxWidth,
-                                &fit,                   // receives count of chars
+                                &fit,                   // [out] count of chars
                                                         // that will fit
-                                widths.begin(),         // array to fill
+                                &widths[0],             // array to fill
-                                &sz)) {
+                                &sz))
+    {
         // API failed
         wxLogLastError(wxT("GetTextExtentExPoint"));
         return false;
     }
+
     return true;
 }