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/options.c

@@ -28,6 +28,7 @@
 #include "pairs.h"
 #include "strings.h"
 #include "symbols.h"
+#include "threads.h"
 
 #include "options.h"
 
@@ -183,8 +184,8 @@ change_option_setting (SCM args, scm_t_option options[], const char *s,
   unsigned int i;
   scm_t_bits *new_vals;
 
-  new_vals = scm_gc_malloc (options_length (options) * sizeof (scm_t_bits),
-                            "new-options");
+  new_vals = scm_allocate_sloppy (SCM_I_CURRENT_THREAD,
+                                  options_length (options) * sizeof (scm_t_bits));
 
   for (i = 0; options[i].name; ++i)
     {