Style fixes

Because of the large arrays in the GBCommon class and its test suite,
memory limits had to be disabled in php-cs-fixer

.php_cs.dist

@@ -7,6 +7,8 @@ namespace MensBeam\UTF8;
 
 const BASE = __DIR__.DIRECTORY_SEPARATOR;
 
+ini_set("memory_limit", "-1");
+
 $paths = [
     __FILE__,
     BASE."RoboFile.php",

lib/Encoding/GBCommon.php

@@ -26,7 +26,7 @@ abstract class GBCommon implements StatelessEncoding {
         $second = 0;
         $third = 0;
         $this->posChar++;
-        while(($b = @$this->string[$this->posByte++]) !== "") {
+        while (($b = @$this->string[$this->posByte++]) !== "") {
             $b = ord($b);
             if ($first === 0) {
                 if ($b < 0x80) {

tests/lib/EncodingTest.php

@@ -10,7 +10,6 @@ use MensBeam\Intl\Encoding\EncoderException;
 use MensBeam\Intl\Encoding\DecoderException;
 
 abstract class EncodingTest extends \PHPUnit\Framework\TestCase {
-
     public function testEncodeCodePoints(bool $fatal, $input, $exp) {
         $class = $this->testedClass;
         if ($exp instanceof \Throwable) {
@@ -60,7 +59,7 @@ abstract class EncodingTest extends \PHPUnit\Framework\TestCase {
         $exp = array_reverse($exp);
         $act = [];
         while ($s->nextCode() !== false);
-        while($s->posByte()) {
+        while ($s->posByte()) {
             $s->seek(-1);
             $act[] = $s->nextCode();
             $s->seek(-1);