Make sure generated session_config.h is removed on "make clean".

git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@2050 e5f2f494-b856-4b98-b285-d166d9295462

src/lib/cc/Makefile.am

@@ -11,7 +11,7 @@ AM_CXXFLAGS += -Wno-unused-parameter
 lib_LIBRARIES = libcc.a
 libcc_a_SOURCES = data.cc data.h session.cc session.h
 
-CLEANFILES = *.gcno *.gcda
+CLEANFILES = *.gcno *.gcda session_config.h
 
 session_config.h: session_config.h.pre
 	$(SED) -e "s|@@LOCALSTATEDIR@@|$(localstatedir)|" session_config.h.pre >$@