change example code to do mrb_close()

I was hoping this would cause valgrind to complain less, but there is still
a lot of memory leaked (does mrb_close() actually free all of the managed
blocks?)  Anyway this helps somewhat and is good practice

1 files changed, 4 insertions, 0 deletions

diff --git a/tools/mrbc/mrbc.c b/tools/mrbc/mrbc.c
index dd210bfa9..e711b69cb 100644
--- a/tools/mrbc/mrbc.c
+++ b/tools/mrbc/mrbc.c
@@ -163,12 +163,14 @@ main(int argc, char **argv)
   if (n < 0 || args.rfp == NULL) {
     cleanup(&args);
     usage(argv[0]);
+    mrb_close(mrb);
     return n;
   }
 
   p = mrb_parse_file(mrb, args.rfp);
   if (!p || !p->tree || p->nerr) {
     cleanup(&args);
+    mrb_close(mrb);
     return -1;
   }
 
@@ -183,6 +185,7 @@ main(int argc, char **argv)
 
   if (n < 0 || args.check_syntax) {
     cleanup(&args);
+    mrb_close(mrb);
     return n;
   }
   if (args.initname) {
@@ -196,6 +199,7 @@ main(int argc, char **argv)
   }
 
   cleanup(&args);
+  mrb_close(mrb);
 
   return n;
 }