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

*** 36,45 ****
--- 36,46 ----
  #include <stdlib.h>
  #include <string.h>
  #include <unistd.h>
  #include <stdio.h>
  
+ #include "libc.h"
  #include "ldpart.h"
  #include "setlocale.h"
  
  static int split_lines(char *, const char *);
  
*** 73,83 ****
          if (st.st_size <= 0) {
                  errno = EINVAL;
                  goto bad_locale;
          }
          bufsize = namesize + st.st_size;
!         if ((lbuf = malloc(bufsize)) == NULL) {
                  errno = ENOMEM;
                  goto bad_locale;
          }
          (void) strcpy(lbuf, name);
          p = lbuf + namesize;
--- 74,84 ----
          if (st.st_size <= 0) {
                  errno = EINVAL;
                  goto bad_locale;
          }
          bufsize = namesize + st.st_size;
!         if ((lbuf = libc_malloc(bufsize)) == NULL) {
                  errno = ENOMEM;
                  goto bad_locale;
          }
          (void) strcpy(lbuf, name);
          p = lbuf + namesize;