fixed leaks in CHOICE/XER and REAL conversion
diff --git a/tests/tests-skeletons/Makefile.am b/tests/tests-skeletons/Makefile.am
index ce74b65..d298293 100644
--- a/tests/tests-skeletons/Makefile.am
+++ b/tests/tests-skeletons/Makefile.am
@@ -26,3 +26,4 @@
 LDADD = -lm
 
 TESTS = $(check_PROGRAMS)
+TESTS_ENVIRONMENT= ASAN_OPTIONS=detect_leaks=1 UBSAN_OPTIONS=print_stacktrace=1