[SQUASH-ME] Squiz/StaticThisUsage: fix singular vs plural $type

Author: jrfnl

src/Standards/Squiz/Sniffs/Scope/StaticThisUsageSniff.php

@@ -61,9 +61,9 @@ public function processTokenWithinScope(File $phpcsFile, int $stackPtr, int $cur
                 return;
             }
 
-            $type = 'methods';
+            $type = 'method';
         } else {
-            $type = 'closures';
+            $type = 'closure';
         }
 
         $methodProps = $phpcsFile->getMethodProperties($stackPtr);
@@ -84,7 +84,7 @@ public function processTokenWithinScope(File $phpcsFile, int $stackPtr, int $cur
      * @param \PHP_CodeSniffer\Files\File $phpcsFile The current file being scanned.
      * @param int                         $next      The position of the next token to check.
      * @param int                         $end       The position of the last token to check.
-     * @param string                      $type      Either 'method' or 'closure'.
+     * @param string                      $type      Type of context being checked. Either 'method' or 'closure'.
      *
      * @return void
      */
@@ -143,6 +143,6 @@ protected function processTokenOutsideScope(File $phpcsFile, int $stackPtr)
             return;
         }
 
-        $this->checkThisUsage($phpcsFile, $stackPtr, $tokens[$stackPtr]['scope_closer'], 'closures');
+        $this->checkThisUsage($phpcsFile, $stackPtr, $tokens[$stackPtr]['scope_closer'], 'closure');
     }
 }