Generic/OpeningFunctionBraceKernighanRitchie: fix error position

The `SpaceBeforeBrace` error code is about the space before the scope opener, but was being thrown on the parenthesis closer preceding it, which could be confusing when there is a type declaration between the two.

Fixed now.

I haven't added a test as no meaningful test can be added as the error "column" is not part of the test logic.

src/Standards/Generic/Sniffs/Functions/OpeningFunctionBraceKernighanRitchieSniff.php

@@ -168,7 +168,7 @@ public function process(File $phpcsFile, $stackPtr)
         if ($length !== 1) {
             $error = 'Expected 1 space before opening brace; found %s';
             $data  = [$length];
-            $fix   = $phpcsFile->addFixableError($error, $closeBracket, 'SpaceBeforeBrace', $data);
+            $fix   = $phpcsFile->addFixableError($error, $openingBrace, 'SpaceBeforeBrace', $data);
             if ($fix === true) {
                 if ($length === 0 || $length === '\t') {
                     $phpcsFile->fixer->addContentBefore($openingBrace, ' ');