[fuzzer] Minor

src/Makefile.am

diff --git a/src/Makefile.am b/src/Makefile.am
index e450ea7..500730d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -159,7 +159,7 @@
 libharfbuzz_fuzzing_la_LINK = $(libharfbuzz_la_LINK)
 libharfbuzz_fuzzing_la_SOURCES = $(libharfbuzz_la_SOURCES)
 libharfbuzz_fuzzing_la_CPPFLAGS = $(libharfbuzz_la_CPPFLAGS) $(FUZZING_CPPFLAGS)
-libharfbuzz_fuzzing_la_LDFLAGS = $(libharfbuzz_la_LDFLAGS)
+libharfbuzz_fuzzing_la_LDFLAGS = $(AM_LDFLAGS)
 libharfbuzz_fuzzing_la_LIBADD = $(libharfbuzz_la_LIBADD)
 EXTRA_libharfbuzz_fuzzing_la_DEPENDENCIES = $(EXTRA_libharfbuzz_la_DEPENDENCIES)
 CLEANFILES += libharfbuzz-fuzzing.la