Fix genrsa (parameters order)

Author: Chocobozzz

src/index.js

@@ -31,9 +31,10 @@ export default function exec(action, maybeBuffer, maybeOptions, maybeCallback) {
 
   // Build initial params with passed action
   const params = action.split('.').map((value, key) => (!key ? value : `-${value}`));
+  const lastParams = [];
   Object.keys(options).forEach(key => {
     if (options[key] === false) {
-      params.push(key);
+      lastParams.push(key);
     } else if (options[key] === true) {
       params.push(`-${key}`);
     } else {
@@ -47,6 +48,8 @@ export default function exec(action, maybeBuffer, maybeOptions, maybeCallback) {
     }
   });
 
+  params.concat(lastParams);
+
   // Actually spawn openssl command
   const openssl = spawn('openssl', params);
   const outResult = [];