Correct error code in Squiz.ControlStructures.ForEachLoopDeclaration

From what we can determine, this is a typographical error / mistake. It seems
that the intention here was to use the same error code for both sides of this
if/else block.

src/Standards/Squiz/Sniffs/ControlStructures/ForEachLoopDeclarationSniff.php

@@ -90,7 +90,7 @@ public function process(File $phpcsFile, $stackPtr)
                     $this->requiredSpacesAfterOpen,
                     $spaceAfterOpen,
                 ];
-                $fix   = $phpcsFile->addFixableError($error, $stackPtr, 'SpacingAfterOpen', $data);
+                $fix   = $phpcsFile->addFixableError($error, $stackPtr, 'SpaceAfterOpen', $data);
                 if ($fix === true) {
                     $padding = str_repeat(' ', $this->requiredSpacesAfterOpen);
                     if ($spaceAfterOpen === 0) {