clean up external symbols

remove unused and unneeded:
- sysexit_status
- type (a global variable)

add mrb_ prefix to:
- codedump_all
- class_instance_method_list
- parser_dump

make various functions static, incl.:
- yyparse
- make_exception

1 files changed, 1 insertions, 1 deletions

diff --git a/src/range.c b/src/range.c
index 0eacc83d5..7b3807865 100644
--- a/src/range.c
+++ b/src/range.c
@@ -376,7 +376,7 @@ range_eql(mrb_state *mrb, mrb_value range)
 }
 
 /* 15.2.14.4.15(x) */
-mrb_value
+static mrb_value
 range_initialize_copy(mrb_state *mrb, mrb_value copy)
 {
   mrb_value src;