Remove unnecessary files from .document

* ruby:ext/rbconfig/exts.mk
* ruby:ext/rbconfig/sizeof/Makefile
* ruby:ext/rbconfig/sizeof/depend
* ruby:ext/rbconfig/sizeof/mkmf.log
* ruby:ext/win32/depend
* ruby:ext/win32/exts.mk
* ruby:ext/win32/resolv/depend
* ruby:lib/racc/pre-setup

ext/.document

@@ -91,7 +91,7 @@ psych/psych_yaml_tree.c
 pty/lib
 pty/pty.c
 racc/cparse/cparse.c
-rbconfig
+rbconfig/sizeof/*.c
 readline/readline.c
 ripper/lib
 socket
@@ -99,7 +99,8 @@ stringio/stringio.c
 strscan/strscan.c
 syslog/syslog.c
 syslog/lib
-win32
+win32/lib
+win32/resolv/*.c
 win32ole/lib
 win32ole/*.c
 zlib/zlib.c

lib/.document

@@ -11,7 +11,8 @@ irb
 matrix
 net
 optparse
-racc
+racc/*.rb
+racc/rdoc
 rdoc
 rexml
 rinda