scripted-diff: TxoutType C++11 scoped enum class

-BEGIN VERIFY SCRIPT-
 # General rename helper: $1 -> $2
 rename_global() { sed -i "s/\<$1\>/$2/g" $(git grep -l "$1"); }

 # Helper to rename TxoutType $1
 rename_value() {
   sed -i "s/    TX_$1,/    $1,/g" src/script/standard.h;  # First strip the prefix in the definition (header)
   rename_global TX_$1 "TxoutType::$1";                    # Then replace globally
 }

 # Change the type globally to bring it in line with the style-guide
 # (clsses are UpperCamelCase)
 rename_global 'enum txnouttype' 'enum class TxoutType'
 rename_global      'txnouttype'            'TxoutType'

 # Now rename each enum value
 rename_value 'NONSTANDARD'
 rename_value 'PUBKEY'
 rename_value 'PUBKEYHASH'
 rename_value 'SCRIPTHASH'
 rename_value 'MULTISIG'
 rename_value 'NULL_DATA'
 rename_value 'WITNESS_V0_KEYHASH'
 rename_value 'WITNESS_V0_SCRIPTHASH'
 rename_value 'WITNESS_UNKNOWN'

-END VERIFY SCRIPT-

src/test/fuzz/script.cpp

@@ -58,7 +58,7 @@ void test_one_input(const std::vector<uint8_t>& buffer)
     CTxDestination address;
     (void)ExtractDestination(script, address);
 
-    txnouttype type_ret;
+    TxoutType type_ret;
     std::vector<CTxDestination> addresses;
     int required_ret;
     (void)ExtractDestinations(script, type_ret, addresses, required_ret);
@@ -72,7 +72,7 @@ void test_one_input(const std::vector<uint8_t>& buffer)
 
     (void)IsSolvable(signing_provider, script);
 
-    txnouttype which_type;
+    TxoutType which_type;
     (void)IsStandard(script, which_type);
 
     (void)RecursiveDynamicUsage(script);