Added fix

Author: gsherwood

CodeSniffer/Standards/Generic/Sniffs/PHP/LowerCaseKeywordSniff.php

@@ -126,7 +126,11 @@ public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
                       strtolower($keyword),
                       $keyword,
                      );
-            $phpcsFile->addError($error, $stackPtr, 'Found', $data);
+
+            $fix = $phpcsFile->addFixableError($error, $stackPtr, 'Found', $data);
+            if ($fix === true && $phpcsFile->fixer->enabled === true) {
+                $phpcsFile->fixer->replaceToken($stackPtr, strtolower($keyword));
+            }
         }
 
     }//end process()