Add E_EXIT to the list of non-operand tokens of the OperatorSpacing sniff

Author: morozov

src/Standards/Squiz/Sniffs/WhiteSpace/OperatorSpacingSniff.php

@@ -79,6 +79,7 @@ public function register()
         $this->nonOperandTokens += [
             T_RETURN => T_RETURN,
             T_ECHO   => T_ECHO,
+            T_EXIT   => T_EXIT,
             T_PRINT  => T_PRINT,
             T_YIELD  => T_YIELD,
         ];

src/Standards/Squiz/Tests/WhiteSpace/OperatorSpacingUnitTest.inc

@@ -463,5 +463,7 @@ $a = [$a, - $b];
 $a = $a[- $b];
 $a = $a ? - $b : - $b;
 
+exit -1;
+
 /* Intentional parse error. This has to be the last test in the file. */
 $a = 10 +

src/Standards/Squiz/Tests/WhiteSpace/OperatorSpacingUnitTest.inc.fixed

@@ -457,5 +457,7 @@ $a = [$a, - $b];
 $a = $a[- $b];
 $a = $a ? - $b : - $b;
 
+exit -1;
+
 /* Intentional parse error. This has to be the last test in the file. */
 $a = 10 +