Always use jv_mem_*alloc()

src/locfile.c

@@ -21,7 +21,7 @@ struct locfile* locfile_init(jq_state *jq, const char *fname, const char* data,
   for (int i=0; i<length; i++) {
     if (data[i] == '\n') l->nlines++;
   }
-  l->linemap = jv_mem_alloc(sizeof(int) * (l->nlines + 1));
+  l->linemap = jv_mem_calloc(sizeof(int), (l->nlines + 1));
   l->linemap[0] = 0;
   int line = 1;
   for (int i=0; i<length; i++) {