timev.h: dummy definition for TAGS

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67502 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

timev.h

@@ -1,6 +1,9 @@
 #ifndef RUBY_TIMEV_H
 #define RUBY_TIMEV_H
 
+#if 0
+struct vtm {/* dummy for TAGS */};
+#endif
 PACKED_STRUCT_UNALIGNED(struct vtm {
     VALUE year; /* 2000 for example.  Integer. */
     VALUE subsecx; /* 0 <= subsecx < TIME_SCALE.  possibly Rational. */