surpress warning

Author: hasumikin

src/ccontext.c

@@ -8,10 +8,10 @@ mrc_ccontext_new(mrb_state *mrb)
 {
   mrc_ccontext temp_c = {0};
   temp_c.mrb = mrb;
-  mrc_ccontext *c = (mrc_ccontext*)mrc_calloc(&temp_c, 1, sizeof(mrc_ccontext));
+  mrc_ccontext *c = (mrc_ccontext *)mrc_calloc(&temp_c, 1, sizeof(mrc_ccontext));
   c->p = (mrc_parser_state *)mrc_malloc(c, sizeof(mrc_parser_state));
   c->options = NULL;
-  c->mrb = mrb;
+  c->mrb = temp_c.mrb;
   return c;
 }