Convert scm_gc_malloc* calls to scm_allocate*

* libguile/arrays.c:
* libguile/bitvectors.c:
* libguile/bytevectors.c:
* libguile/chooks.c:
* libguile/continuations.c:
* libguile/control.c:
* libguile/dynstack.c:
* libguile/ephemerons.c:
* libguile/filesys.c:
* libguile/foreign.c:
* libguile/fports.c:
* libguile/frames.c:
* libguile/gsubr.c:
* libguile/hashtab.c:
* libguile/i18n.c:
* libguile/integers.c:
* libguile/intrinsics.c:
* libguile/load.c:
* libguile/loader.c:
* libguile/macros.c:
* libguile/numbers.c:
* libguile/options.c:
* libguile/ports.c:
* libguile/programs.h:
* libguile/random.c:
* libguile/read.c:
* libguile/regex-posix.c:
* libguile/smob.c:
* libguile/srfi-14.c:
* libguile/strings.c:
* libguile/struct.c:
* libguile/threads.c:
* libguile/threads.h:
* libguile/values.c:
* libguile/vm.c: Convert all calls to scm_gc_malloc_pointerless to
scm_allocate_pointerless.  Convert scm_gc_malloc to either
scm_allocate_tagged or scm_allocate_sloppy, depending on whether the
value can be precisely traced or not.

libguile/regex-posix.c

@@ -182,7 +182,8 @@ SCM_DEFINE_STATIC (make_regexp, "make-regexp", 1, 0, 1,
       flag = SCM_CDR (flag);
     }
 
-  rx = scm_gc_malloc_pointerless (sizeof (*rx), "regex");
+  rx = scm_allocate_pointerless (SCM_I_CURRENT_THREAD,
+                                 sizeof (*rx));
   rx->tag = scm_tc16_regexp;
   c_pat = scm_to_locale_string (pat);
   status = regcomp (&rx->regex, c_pat,