Fix date-picker style prop

components/date-picker/index.jsx

@@ -115,7 +115,7 @@ function createPicker(TheCalendar, defaultFormat) {
         pickerClass += ' ant-calendar-picker-open';
       }
       return (
-        <span className={pickerClass}>
+        <span className={pickerClass} style={this.props.style}>
           <DatePicker
             transitionName={this.props.transitionName}
             disabled={this.props.disabled}
@@ -138,7 +138,6 @@ function createPicker(TheCalendar, defaultFormat) {
                       onChange={this.handleInputChange}
                       value={value && this.getFormatter().format(value)}
                       placeholder={placeholder}
-                      style={this.props.style}
                       className={`ant-calendar-picker-input ant-input${sizeClass}`} />
                     <span className="ant-calendar-picker-icon" />
                   </span>