fix "matchbrackets" breakage


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3260 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
diff --git a/src/proto.h b/src/proto.h
index f93d56f..a96ea17 100644
--- a/src/proto.h
+++ b/src/proto.h
@@ -210,7 +210,7 @@
 char *mbrevstrpbrk(const char *s, const char *accept, const char
 	*rev_start);
 #endif
-#if !defined(DISABLE_JUSTIFY) && defined(ENABLE_NANORC)
+#if defined(ENABLE_NANORC) && (!defined(NANO_TINY) || !defined(DISABLE_JUSTIFY))
 bool has_blank_chars(const char *s);
 bool has_blank_mbchars(const char *s);
 #endif