libmythfreemheg/CMakeLists.txt: add header files

mythtv/libs/libmythfreemheg/CMakeLists.txt

@@ -1,25 +1,49 @@
 add_library(
   mythfreemheg
   Actions.cpp
+  Actions.h
+  ASN1Codes.h
   BaseActions.cpp
+  BaseActions.h
   BaseClasses.cpp
+  BaseClasses.h
   Bitmap.cpp
+  Bitmap.h
   DynamicLineArt.cpp
+  DynamicLineArt.h
   Engine.cpp
+  Engine.h
+  freemheg.h
   Groups.cpp
+  Groups.h
   Ingredients.cpp
+  Ingredients.h
   Link.cpp
+  Link.h
+  Logging.h
   ParseBinary.cpp
+  ParseBinary.h
   ParseNode.cpp
+  ParseNode.h
   ParseText.cpp
+  ParseText.h
   Presentable.cpp
+  Presentable.h
   Programs.cpp
+  Programs.h
   Root.cpp
+  Root.h
   Stream.cpp
+  Stream.h
   Text.cpp
+  Text.h
   TokenGroup.cpp
+  TokenGroup.h
   Variables.cpp
-  Visible.cpp)
+  Variables.h
+  Visible.cpp
+  Visible.h
+  )
 
 target_include_directories(
   mythfreemheg