make functions static

These functions are used from within a compilation unit so we can
make them static, for better binary size.  This changeset reduces
the size of generated ruby binary from 26,590,128 bytes to
26,584,472 bytes on my macihne.

1 files changed, 1 insertions, 1 deletions

diff --git a/compile.c b/compile.c
index 3cf5bb6680..b73b9854f4 100644
--- a/compile.c
+++ b/compile.c
@@ -755,7 +755,7 @@ rb_iseq_compile_node(rb_iseq_t *iseq, const NODE *node)
     return iseq_setup(iseq, ret);
 }
 
-int
+static int
 rb_iseq_translate_threaded_code(rb_iseq_t *iseq)
 {
 #if OPT_DIRECT_THREADED_CODE || OPT_CALL_THREADED_CODE