Fixed some return value issues

Author: gsherwood

src/Config.php

@@ -459,7 +459,7 @@ public function setCommandLineValues($args)
     /**
      * Restore default values for all possible command line arguments.
      *
-     * @return array
+     * @return void
      */
     public function restoreDefaults()
     {

src/Fixer.php

@@ -421,6 +421,7 @@ public function endChangeset()
         }
 
         $this->changeset = [];
+        return true;
 
     }//end endChangeset()
 

src/Runner.php

@@ -232,7 +232,7 @@ public function runPHPCBF()
     /**
      * Exits if the minimum requirements of PHP_CodeSniffer are not met.
      *
-     * @return array
+     * @return void
      * @throws \PHP_CodeSniffer\Exceptions\DeepExitException If the requirements are not met.
      */
     public function checkRequirements()

src/Standards/Squiz/Sniffs/Commenting/FunctionCommentSniff.php

@@ -758,6 +758,8 @@ protected function checkInheritdoc(File $phpcsFile, $stackPtr, $commentStart)
             }
         }
 
+        return false;
+
     }//end checkInheritdoc()