Fix up the random number stuff.

SConscript:
    compile the random number generator stuff into m5
base/random.cc:
    we need to define our destructor
base/random.hh:
    Since there's no state, just makes all of these get functions static

--HG--
extra : convert_revision : 9d4b8abd57367391a8ecda3914b1d912d9c64185

SConscript

@@ -65,6 +65,7 @@ base_sources = Split('''
 	base/pollevent.cc
 	base/python.cc
 	base/range.cc
+	base/random.cc
 	base/sat_counter.cc
 	base/socket.cc
 	base/statistics.cc