File graphviz-fix_manpages.patch of Package graphviz

--- tclpkg/gv/gv_doc_langs.tcl
+++ tclpkg/gv/gv_doc_langs.tcl
@@ -155,7 +155,7 @@
 		}
 		SYNOPSIS {
 			{#!/usr/bin/lua}
-			{lib=loadlib('/usr/lib/graphviz/lua/libgv_lua.so','Gv_Init')}
+			{lib=loadlib('@LIB_DIR@/graphviz/lua/libgv_lua.so','Gv_Init')}
 			{assert(lib)()}
 		}
 		USAGE {
@@ -236,7 +236,7 @@
 		}
 		SYNOPSIS {
 			{#!/usr/bin/perl}
-			{use lib "/usr/lib/graphviz/perl"}
+			{use lib "@LIB_DIR@/graphviz/perl"}
 			{use gv;}
 		}
 		USAGE {
@@ -320,7 +320,7 @@
 		SYNOPSIS {
 			{#!/usr/bin/python}
 			{import sys}
-			{sys.path.append('/usr/lib/graphviz/python')}
+			{sys.path.append('@LIB_DIR@/graphviz/python')}
 			{import gv}
 		}
 		USAGE {
@@ -361,7 +361,7 @@
 			Gv.  (  {, }   {);}
 		}
 		SYNOPSIS {
-			{export RUBYLIB=/usr/lib/graphviz/ruby}
+			{export RUBYLIB=@LIB_DIR@/graphviz/ruby}
 			{}
 			{#!/usr/bin/ruby}
 			{require 'gv'}
@@ -405,10 +405,10 @@
 		}
 		SYNOPSIS {
 			{#!/usr/bin/tclsh}
-			{load /usr/lib/graphviz/tcl/gv.so}
+			{package require gv}
 		}
 		USAGE {
-			{Requires tcl7.6 or later.}
+			{Requires tcl8.3 or later.}
 		}
 	}
 }