Correct CMake document reference typo

The man page build CMake file had a typo which was
preventing it from building in the merge environment.

Issue-ID: RICAPP-79

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: I91676b688ddbac1833e552008ce40f68904ce792
diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
index f8757de..5c0a5d1 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -88,7 +88,7 @@
 		rmr_trace_ref.3
 		rmr_set_stimeout.3
 		rmr_get_xact.3
-		rmr_wh_state.3.xfm
+		rmr_wh_state.3
 	)
 
 	# initialise lists of files we generated