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

@@ -31,10 +31,11 @@
 #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 *);

@@ -109,13 +110,12 @@
                 return (NULL);
         }
 
         /* special storage for currency string */
         clen = strlen(lmon->currency_symbol) + 2;
-        ldata->l_data[2] = malloc(clen);
+        ldata->l_data[2] = libc_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))