fix increment ref logic

Author: martygrant

unified-runtime/source/adapters/level_zero/adapter.cpp

@@ -667,15 +667,15 @@ ur_result_t urAdapterGet(
     uint32_t *NumAdapters) {
   if (NumEntries > 0 && Adapters) {
     if (GlobalAdapter) {
-      if (GlobalAdapter->incrementRefCount() == 0) {
+      if (GlobalAdapter->incrementRefCount() == 1) {
         adapterStateInit();
       }
     } else {
       // If the GetAdapter is called after the Library began or was torndown,
       // then temporarily create a new Adapter handle and register a new
       // cleanup.
       GlobalAdapter = new ur_adapter_handle_t_();
-      if (GlobalAdapter->incrementRefCount() == 0) {
+      if (GlobalAdapter->incrementRefCount() == 1) {
         adapterStateInit();
       }
       std::atexit(globalAdapterOnDemandCleanup);