Intermediate static libs have issues.

Switch back to including the bundled expat sources directly in the
targets, since transitive linking of static libs is very awkward.
Makes static build happy again (let's see what else breaks)

CMakeLists.txt

@@ -232,9 +232,8 @@ else()
     message(STATUS "Using built-in expat code")
     add_definitions(-DHAVE_EXPAT_CONFIG_H)
     set(EXPAT_INCLUDE_DIRS 
-	${PROJECT_SOURCE_DIR}/3rdparty/expat 
-	${PROJECT_BINARY_DIR}/3rdparty/expat)
-    set(EXPAT_LIBRARIES local_expat)
+	    ${PROJECT_SOURCE_DIR}/3rdparty/expat 
+	    ${PROJECT_BINARY_DIR}/3rdparty/expat)
 endif(SYSTEM_EXPAT)
 
 include_directories(${EXPAT_INCLUDE_DIRS})