Added stubs for riched32.dll.

diff --git a/configure b/configure
index 132e10b..4e27b0a 100755
--- a/configure
+++ b/configure
@@ -6229,6 +6229,7 @@
 dlls/olesvr/Makefile
 dlls/psapi/Makefile
 dlls/rasapi32/Makefile
+dlls/richedit/Makefile
 dlls/setupx/Makefile
 dlls/shell32/Makefile
 dlls/sound/Makefile
@@ -6459,6 +6460,7 @@
 dlls/olesvr/Makefile
 dlls/psapi/Makefile
 dlls/rasapi32/Makefile
+dlls/richedit/Makefile
 dlls/setupx/Makefile
 dlls/shell32/Makefile
 dlls/sound/Makefile