Whitespace fixes.

Author: Crell

Zend/tests/pipe_operator/call_by_ref.phpt

@@ -34,4 +34,4 @@ try {
 ?>
 --EXPECTF--
 _modify(): Argument #1 ($a) could not be passed by reference
-_append(): Argument #1 ($a) could not be passed by reference
+_append(): Argument #1 ($a) could not be passed by reference

Zend/tests/pipe_operator/void_return.phpt

@@ -18,4 +18,4 @@ catch (Throwable $e) {
 
 ?>
 --EXPECT--
-TypeError: strlen(): Argument #1 ($string) must be of type string, null given
+TypeError: strlen(): Argument #1 ($string) must be of type string, null given

Zend/zend_compile.c

@@ -11631,7 +11631,7 @@ static void zend_compile_expr_inner(znode *result, zend_ast *ast) /* {{{ */
 			return;
 		case ZEND_AST_PIPE:
 			zend_compile_pipe(result, ast);
-		return;
+			return;
 		default:
 			ZEND_ASSERT(0 /* not supported */);
 	}