Assert is there is no wxMessageOutput

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16342 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/common/cmdline.cpp b/src/common/cmdline.cpp
index 1c74dfdb5ecdb3ad65d7f0aff6da1f6ee4dfba32..4911befc4e1f210274766e091b3a524a3f3e4126 100644 (file)
--- a/src/common/cmdline.cpp
+++ b/src/common/cmdline.cpp
@@ -846,6 +846,7 @@ int wxCmdLineParser::Parse(bool showUsage)
     {
         wxString usage;
         wxMessageOutput* msgOut = wxMessageOutput::Get();
+        wxASSERT(msgOut);
         if ( showUsage ) usage = GetUsageString();
         if ( msgOut )
             msgOut->Printf( wxT("%s%s"), usage.c_str(), errorMsg.c_str() );