message: webpack-plugin: fix extension invocation bug
diff: @@ -88,7 +88,7 @@ export class StylableWebpackPlugin {
  this.stylable = stylable;
  }
  public injectPlugins(compiler: webpack.Compiler) {
  - this.options.plugins!.forEach(plugin => plugin.call(compiler, this));
  + this.options.plugins!.forEach(plugin => plugin.apply(compiler));
  }
  public injectStylableRuntimeInfo(compiler: webpack.Compiler) {
  compiler.hooks.compilation.tap(StylableWebpackPlugin.name, compilation => {
  