No real changes, just fix some typos in comments in wxMSW code.

Closes #14994.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73435 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/mediactrl_am.cpp

@@ -1540,14 +1540,14 @@ wxString wxAMMediaBackend::GetErrorString(HRESULT hrdsv)
     {
         return wxString::Format(wxT("DirectShow error \"%s\" \n")
                                      wxT("(numeric %X)\n")
-                                     wxT("occured"),
+                                     wxT("occurred"),
                                      szError, (int)hrdsv);
     }
     else
     {
         return wxString::Format(wxT("Unknown error \n")
                                      wxT("(numeric %X)\n")
-                                     wxT("occured"),
+                                     wxT("occurred"),
                                      (int)hrdsv);
     }
 }