Unix clients can now enter commands from tty console. Patch by Rambetter with some edits by me. (#4799)

Makefile

@@ -1443,10 +1443,17 @@ Q3OBJ = \
   $(B)/client/sdl_input.o \
   $(B)/client/sdl_snd.o \
   \
-  $(B)/client/con_passive.o \
   $(B)/client/con_log.o \
   $(B)/client/sys_main.o
 
+ifeq ($(PLATFORM),mingw32)
+  Q3OBJ += \
+	$(B)/client/con_passive.o
+else
+  Q3OBJ += \
+	$(B)/client/con_tty.o
+endif
+
 Q3ROBJ = \
   $(B)/renderer/tr_animation.o \
   $(B)/renderer/tr_backend.o \