File graphviz-plugins-tcl_install_dir.patch of Package graphviz

--- tclpkg/Makefile.am
+++ tclpkg/Makefile.am
@@ -15,9 +15,9 @@
 pkgpython25dir = $(pkglibdir)/python25
 pkgRdir = $(pkglibdir)/R
 pkgrubydir = $(pkglibdir)/ruby
-pkgtcldir = $(pkglibdir)/tcl
+pkgtcldir = $(libdir)
 
-pkgindexdir = $(pkgtcldir)
+pkgindexdir = $(datadir)/tcl/@PACKAGE@
 if WITH_TCL
 pkgindex_DATA = pkgIndex.tcl
 endif