[MAINT-3555] Crash in LLPanel::~LLPanel() on shutdown

- Added clear() after DeletePointer() call to hopfully fix this...

1 files changed, 1 insertions, 0 deletions

diff --git a/indra/newview/llcallingcard.cpp b/indra/newview/llcallingcard.cpp
index 14583e402d..56817a51ba 100755
--- a/indra/newview/llcallingcard.cpp
+++ b/indra/newview/llcallingcard.cpp
@@ -115,6 +115,7 @@ LLAvatarTracker::~LLAvatarTracker()
 {
 	deleteTrackingData();
 	std::for_each(mObservers.begin(), mObservers.end(), DeletePointer());
+	mObservers.clear();
 	std::for_each(mBuddyInfo.begin(), mBuddyInfo.end(), DeletePairedPointer());
 }