new headers must get distributed

src/test/include.am

@@ -164,6 +164,7 @@ src_test_test_workqueue_LDADD = src/or/libtor-testing.a \
 
 noinst_HEADERS+= \
 	src/test/fakechans.h \
+	src/test/log_test_helpers.h \
 	src/test/test.h \
 	src/test/test_helpers.h \
 	src/test/test_descriptors.inc \