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-rw-r--r--tool/m4/ruby_defint.m41
1 files changed, 1 insertions, 0 deletions
diff --git a/tool/m4/ruby_defint.m4 b/tool/m4/ruby_defint.m4
index 9e99ca80d6..e5b46a788f 100644
--- a/tool/m4/ruby_defint.m4
+++ b/tool/m4/ruby_defint.m4
@@ -1,3 +1,4 @@
+# -*- Autoconf -*-
dnl RUBY_DEFINT TYPENAME, SIZE, [UNSIGNED], [INCLUDES = DEFAULT-INCLUDES]
AC_DEFUN([RUBY_DEFINT], [dnl
AS_VAR_PUSHDEF([cond], [rb_defint_cond])dnl