Fix two small issues

Author: kyleconroy

internal/codegen/process/gen.go

@@ -53,7 +53,7 @@ func (r Runner) Generate(req *plugin.CodeGenRequest) (*plugin.CodeGenResponse, e
 	cmd := exec.CommandContext(ctx, path)
 	cmd.Stdin = bytes.NewReader(stdin)
 	cmd.Env = []string{
-		"SQLC_VERSION=foo",
+		fmt.Sprintf("SQLC_VERSION=%s", req.SqlcVersion),
 	}
 
 	out, err := cmd.Output()

internal/config/v_two.go

@@ -10,7 +10,7 @@ import (
 
 func v2ParseConfig(rd io.Reader) (Config, error) {
 	dec := yaml.NewDecoder(rd)
-	// dec.KnownFields(true)
+	dec.KnownFields(true)
 	var conf Config
 	if err := dec.Decode(&conf); err != nil {
 		return conf, err