internal.h: moved ruby_null_device declaration

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62306 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 0 insertions, 2 deletions

diff --git a/mjit.c b/mjit.c
index ba4da6b416..7ba8ae7a3c 100644
--- a/mjit.c
+++ b/mjit.c
@@ -206,8 +206,6 @@ static char *tmp_dir;
 static VALUE valid_class_serials;
 /* Ruby level interface module.  */
 VALUE rb_mMJIT;
-/* Portable /dev/null, defined in file.c */
-extern const char ruby_null_device[];
 
 #ifdef _WIN32
 /* Linker option to enable libruby in the build directory. */