ICU-13749 Prevent double-free of mzMappings in ZoneMeta::createMetazoneMappings.

X-SVN-Rev: 41310

diff --git a/icu4c/source/i18n/zonemeta.cpp b/icu4c/source/i18n/zonemeta.cpp
index c386b0cae5e2ca9dcd850841c5ab1dd8e25b7c5b..9adbe6d8a30c1b81881c4ef9112c0175e77ce701 100644 (file)
--- a/icu4c/source/i18n/zonemeta.cpp
+++ b/icu4c/source/i18n/zonemeta.cpp
@@ -690,6 +690,7 @@ ZoneMeta::createMetazoneMappings(const UnicodeString &tzid) {
                     mzMappings = new UVector(deleteOlsonToMetaMappingEntry, NULL, status);
                     if (U_FAILURE(status)) {
                         delete mzMappings;
+                                               mzMappings = NULL;
                         uprv_free(entry);
                         break;
                     }