fs: Make compatible with boost 1.78

src/fs.h

@@ -88,7 +88,7 @@ static inline auto quoted(const std::string& s)
 // Allow safe path append operations.
 static inline path operator+(path p1, path p2)
 {
-    p1 += std::move(p2);
+    p1 += static_cast<boost::filesystem::path&&>(p2);
     return p1;
 }
 

src/wallet/load.cpp

@@ -29,7 +29,7 @@ bool VerifyWallets(WalletContext& context)
         fs::path wallet_dir = fs::PathFromString(args.GetArg("-walletdir", ""));
         boost::system::error_code error;
         // The canonical path cleans the path, preventing >1 Berkeley environment instances for the same directory
-        fs::path canonical_wallet_dir = fs::canonical(wallet_dir, error);
+        fs::path canonical_wallet_dir = fs::canonical(wallet_dir, error).remove_trailing_separator();
         if (error || !fs::exists(wallet_dir)) {
             chain.initError(strprintf(_("Specified -walletdir \"%s\" does not exist"), fs::PathToString(wallet_dir)));
             return false;

test/functional/wallet_multiwallet.py

@@ -141,7 +141,7 @@ class MultiWalletTest(BitcoinTestFramework):
 
         # should raise rpc error if wallet path can't be created
         err_code = -4 if self.options.descriptors else -1
-        assert_raises_rpc_error(err_code, "boost::filesystem::create_directory:", self.nodes[0].createwallet, "w8/bad")
+        assert_raises_rpc_error(err_code, "boost::filesystem::create_director", self.nodes[0].createwallet, "w8/bad")
 
         # check that all requested wallets were created
         self.stop_node(0)