Fix FTBFS due to missing global variable 'environ'

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 1a18c69495)

buildtools/lib/widgets/environmentdisplaydialog.cpp

@@ -23,12 +23,15 @@
 
 #include "environmentdisplaydialog.h"
 
+#if !defined(__OpenBSD__) && !defined(__FreeBSD__)
 extern char **environ;
+#endif
 
 EnvironmentDisplayDialog::EnvironmentDisplayDialog(TQWidget* parent, const char* name, bool modal, WFlags fl)
 : EnvironmentDisplayDialogBase(parent,name, modal,fl)
 {
 	TQStringList environment;
+#if !defined(__OpenBSD__) && !defined(__FreeBSD__)
 	char ** e = ::environ;
 	
 	while ( *e ) 
@@ -36,6 +39,7 @@ EnvironmentDisplayDialog::EnvironmentDisplayDialog(TQWidget* parent, const char*
 		environment << *e;
 		e++;
 	}
+#endif
 
 	TQStringList::ConstIterator it = environment.begin();
 	while( it !=environment.end() )