fuzz: Fix uninitialized read in test

Author: MarcoFalke

src/test/fuzz/util.cpp

@@ -7,6 +7,14 @@
 #include <util/rbf.h>
 #include <version.h>
 
+bool FuzzedSock::Wait(std::chrono::milliseconds timeout, Event requested, Event* occurred ) const
+{
+    if (!m_fuzzed_data_provider.ConsumeBool()) {
+        return false;
+    }
+    if (occurred) *occurred = 0;
+    return true;
+}
 
 void FillNode(FuzzedDataProvider& fuzzed_data_provider, CNode& node, bool init_version) noexcept
 {

src/test/fuzz/util.h

@@ -738,12 +738,10 @@ class FuzzedSock : public Sock
         return 0;
     }
 
-    bool Wait(std::chrono::milliseconds timeout, Event requested, Event* occurred = nullptr) const override
-    {
-        return m_fuzzed_data_provider.ConsumeBool();
-    }
+    bool Wait(std::chrono::milliseconds timeout, Event requested, Event* occurred = nullptr) const override;
 
-    bool IsConnected(std::string& errmsg) const override {
+    bool IsConnected(std::string& errmsg) const override
+    {
         if (m_fuzzed_data_provider.ConsumeBool()) {
             return true;
         }