tests: Fix fuzzing harness for descriptor parsing (descriptor_parse)

Author: practicalswift

src/test/fuzz/descriptor_parse.cpp

@@ -3,11 +3,14 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <chainparams.h>
+#include <pubkey.h>
 #include <script/descriptor.h>
 #include <test/fuzz/fuzz.h>
+#include <util/memory.h>
 
 void initialize()
 {
+    static const auto verify_handle = MakeUnique<ECCVerifyHandle>();
     SelectParams(CBaseChainParams::REGTEST);
 }