[QNN EP]fix bug in DlError (#15412)

### Description
fix bug in DlError. nullptr returned from  DlError() will cause crash.
This commit is contained in:
Hector Li 2023-04-06 20:01:08 -07:00 committed by GitHub
parent df11c85955
commit 03dd4e6da3
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@ -32,7 +32,7 @@ class QnnBackendManager {
~QnnBackendManager();
char* DlError() {
#ifdef _WIN32
return nullptr;
return "";
#else
return ::dlerror();
#endif