Make inclusion of tcl_bx.h unconditional

There's no need for the conditional compilation - tcl_bx.h itself has the WANT_TCL guards
necessary.

This makes generating the Makefile target dependencies easier.

source/Makefile.in

@@ -410,7 +410,8 @@ commands.o: commands.c ../include/irc.h ../include/defs.h \
  ../include/list.h ../include/userlist.h ../include/misc.h \
  ../include/alist.h ../include/tcl_bx.h ../include/hash2.h \
  ../include/whowas.h ../include/cset.h ../include/notice.h \
- ../include/translat.h ../include/modval.h ../include/module.h
+ ../include/module.h ../include/translat.h ../include/modval.h \
+ ../include/module.h
 compat.o: compat.c ../include/irc_std.h ../include/defs.h
 cset.o: cset.c ../include/irc.h ../include/defs.h ../include/config.h \
  ../include/../.config.h ../include/bsdglob.h ../include/irc_std.h \
@@ -997,7 +998,7 @@ tcl.o: tcl.c ../include/irc.h ../include/defs.h ../include/config.h \
  ../include/alias.h ../include/queue.h ../include/timer.h \
  ../include/list.h ../include/userlist.h ../include/misc.h \
  ../include/whowas.h ../include/hash2.h ../include/whowas.h \
- ../include/modval.h ../include/module.h ../include/tcl_bx.h
+ ../include/tcl_bx.h ../include/modval.h ../include/module.h
 tcl_public.o: tcl_public.c ../include/irc.h ../include/defs.h \
  ../include/config.h ../include/../.config.h ../include/bsdglob.h \
  ../include/irc_std.h ../include/debug.h ../include/newio.h \

source/ctcp.c

@@ -45,10 +45,7 @@ CVS_REVISION(ctcp_c)
 #include "misc.h"
 #include "userlist.h"
 #include "hash2.h"
-
-#ifdef WANT_TCL
 #include "tcl_bx.h"
-#endif
 
 #define MAIN_SOURCE
 #include "modval.h"

source/hook.c

@@ -26,9 +26,7 @@ CVS_REVISION(hook_c)
 #include "parse.h"
 #include "misc.h"
 #include "stack.h"
-#ifdef WANT_TCL
 #include "tcl_bx.h"
-#endif
 #define MAIN_SOURCE
 #include "modval.h"
 

source/tcl.c

@@ -43,6 +43,7 @@
 #include "who.h"
 #include "whowas.h"
 #include "hash2.h"
+#include "tcl_bx.h"
 #define MAIN_SOURCE
 #include "modval.h"
 
@@ -50,8 +51,6 @@
 char tcl_versionstr[] = "Tcl 2.1";
 
 #ifdef WANT_TCL
-/*#define TCL_PLUS*/
-#include "tcl_bx.h"
 
 Tcl_HashTable *gethashtable (int, int *, char *);