Deleted scons warning about duplicated environment

Isolating builds within a single environment

src/SConscript

 #	Build
 #
 
-ntkd 		= env.Program('ntkd', sources_netsukuku, LIBS = libs, CPPPATH = '.')
-qspn  		= env.Program('qspn-empiric', sources_qspn, LIBS = libs, CPPPATH = '.')
-ntkresolv 	= env.Program('ntk-resolv', sources_ntkresolv, LIBS = libs, CPPPATH = '.')
-ntkconsole 	= env.Program('ntk-console', sources_ntkconsole, LIBS = libs, CPPPATH = '.', CFLAGS = '-std=c99')
+ntkd 		= env.Program('ntkd', env.Object(sources_netsukuku), LIBS = libs, CPPPATH = '.')
+qspn  		= env.Program('qspn-empiric', env.Object(sources_qspn), LIBS = libs, CPPPATH = '.')
+ntkresolv 	= env.Program('ntk-resolv', env.Object(sources_ntkresolv), LIBS = libs, CPPPATH = '.')
+ntkconsole 	= env.Program('ntk-console', env.Object(sources_ntkconsole), LIBS = libs, CPPPATH = '.', CFLAGS = '-std=c99')
 
 Default(ntkd, ntkresolv, ntkconsole, qspn)