Consistent insensitive string comparisons.

This seems to reduce the need for a #define,
but I need someone on the Windows side to check.

src/AnnouncerManager.cpp

@@ -37,7 +37,7 @@ void AnnouncerManager::GetAnnouncerNames( vector<RString>& AddTo )
 
 	// strip out the empty announcer folder
 	for( int i=AddTo.size()-1; i>=0; i-- )
-		if( !stricmp( AddTo[i], EMPTY_ANNOUNCER_NAME ) )
+		if( !AddTo[i].EqualsNoCase( EMPTY_ANNOUNCER_NAME ) )
 			AddTo.erase(AddTo.begin()+i, AddTo.begin()+i+1 );
 }
 
@@ -49,7 +49,7 @@ bool AnnouncerManager::DoesAnnouncerExist( RString sAnnouncerName )
 	vector<RString> asAnnouncerNames;
 	GetAnnouncerNames( asAnnouncerNames );
 	for( unsigned i=0; i<asAnnouncerNames.size(); i++ )
-		if( 0==stricmp(sAnnouncerName, asAnnouncerNames[i]) )
+		if( sAnnouncerName.EqualsNoCase(asAnnouncerNames[i]) )
 			return true;
 	return false;
 }