Switch to -fsanitize=fuzzer

Fixes issue #78
diff --git a/examples/expat/CMakeLists.txt b/examples/expat/CMakeLists.txt
index e719d4b..f2031f5 100644
--- a/examples/expat/CMakeLists.txt
+++ b/examples/expat/CMakeLists.txt
@@ -25,7 +25,7 @@
 set_property(TARGET expat_example
              PROPERTY COMPILE_FLAGS ${FUZZING_FLAGS})
 set_property(TARGET expat_example
-             PROPERTY LINK_FLAGS ${FUZZING_FLAGS})
+             PROPERTY LINK_FLAGS ${FUZZING_FLAGS_BINARY})
 
 add_executable(expat_example_test
                expat_example_test.cc)