locale stuff should use libc safe lmalloc.  Other fixes from tests.

*** 31,40 ****
--- 31,41 ----
  #include <stddef.h>
  #include <stdlib.h>
  #include <stdio.h>
  #include <string.h>
  #include <errno.h>
+ #include "libc.h"
  #include "ldpart.h"
  #include "lmonetary.h"
  #include "localeimpl.h"
  
  extern const char *__fix_locale_grouping_str(const char *);
*** 109,121 ****
                  return (NULL);
          }
  
          /* special storage for currency string */
          clen = strlen(lmon->currency_symbol) + 2;
!         ldata->l_data[2] = malloc(clen);
          lmon->crncystr = ldata->l_data[2];
-         lmon->crncystr[0] = '\0';
  
          lmon->mon_grouping = __fix_locale_grouping_str(lmon->mon_grouping);
  
  #define M_ASSIGN_CHAR(NAME) \
          (((char *)lmon->NAME)[0] = cnv(lmon->NAME))
--- 110,121 ----
                  return (NULL);
          }
  
          /* special storage for currency string */
          clen = strlen(lmon->currency_symbol) + 2;
!         ldata->l_data[2] = libc_malloc(clen);
          lmon->crncystr = ldata->l_data[2];
  
          lmon->mon_grouping = __fix_locale_grouping_str(lmon->mon_grouping);
  
  #define M_ASSIGN_CHAR(NAME) \
          (((char *)lmon->NAME)[0] = cnv(lmon->NAME))