Fix standard v8 issues from recent merges

Auditors: @bsclifton

This is just due to pull requests being merged in from people that had old npm installs without the new standard, we might have a couple of these fix commits after doing upgrades like this

js/about/preferences.js

@@ -556,11 +556,11 @@ class PaymentsTab extends ImmutableComponent {
     return <div id='paymentsSidebar'>
       <h2 data-l10n-id='paymentsSidebarText1' />
       <div data-l10n-id='paymentsSidebarText2' />
-      <a href='https://www.privateinternetaccess.com/' target='_blank'><div className='paymentsSidebarPIA'></div></a>
+      <a href='https://www.privateinternetaccess.com/' target='_blank'><div className='paymentsSidebarPIA' /></a>
       <div data-l10n-id='paymentsSidebarText3' />
-      <a href='https://www.bitgo.com/' target='_blank'><div className='paymentsSidebarBitgo'></div></a>
+      <a href='https://www.bitgo.com/' target='_blank'><div className='paymentsSidebarBitgo' /></a>
       <div data-l10n-id='paymentsSidebarText4' />
-      <a href='https://www.coinbase.com/' target='_blank'><div className='paymentsSidebarCoinbase'></div></a>
+      <a href='https://www.coinbase.com/' target='_blank'><div className='paymentsSidebarCoinbase' /></a>
     </div>
   }
 

js/components/findbar.js

@@ -177,15 +177,15 @@ class FindBar extends ImmutableComponent {
     return <div className='findBar' style={findBarStyle} onBlur={this.onBlur}>
       <div className='searchContainer'>
         <div className='searchStringContainer'>
-          <span className='searchStringContainerIcon fa fa-search'></span>
+          <span className='searchStringContainerIcon fa fa-search' />
           <input type='text'
             spellCheck='false'
             ref={(node) => { this.searchInput = node }}
             onKeyDown={this.onKeyDown}
             onChange={this.onChange}
             value={this.searchString} />
           <span className='searchStringContainerIcon fa fa-times'
-            onClick={this.onClear}></span>
+            onClick={this.onClear} />
         </div>
         <span className='findMatchText'>{findMatchText}</span>
         <Button iconClass='findButton fa-caret-down'
@@ -202,7 +202,7 @@ class FindBar extends ImmutableComponent {
           id='caseSensitivityCheckbox'
           checkedOn={this.isCaseSensitive}
           onClick={this.onCaseSensitivityChange} />
-        <label htmlFor='caseSensitivityCheckbox' data-l10n-id='caseSensitivity' style={findBarStyle}></label>
+        <label htmlFor='caseSensitivityCheckbox' data-l10n-id='caseSensitivity' style={findBarStyle} />
       </div>
       <span className='findButton closeButton'
         style={findBarStyle}