riched20: Exclude unused headers

[Andrew Talbot]

Changelog:
    riched20: Exclude unused headers.

diff -urN a/dlls/riched20/editor.c b/dlls/riched20/editor.c
--- a/dlls/riched20/editor.c	2007-05-06 14:25:44.000000000 +0100
+++ b/dlls/riched20/editor.c	2007-05-17 19:05:27.000000000 +0100
@@ -226,8 +226,6 @@
 #include "winreg.h"
 #define NO_SHLWAPI_STREAM 
 #include "shlwapi.h"
-#include "imm.h"
-#include "textserv.h"
 #include "rtf.h"
 
 #define STACK_SIZE_DEFAULT  100
diff -urN a/dlls/riched20/txtsrv.c b/dlls/riched20/txtsrv.c
--- a/dlls/riched20/txtsrv.c	2007-03-12 13:30:39.000000000 +0000
+++ b/dlls/riched20/txtsrv.c	2007-05-17 19:05:45.000000000 +0100
@@ -28,7 +28,6 @@
 #include "editor.h"
 #include "ole2.h"
 #include "richole.h"
-#include "winreg.h"
 #include "imm.h"
 #include "textserv.h"
 #include "wine/debug.h"