Fix newline separator in description

Author: ondrejmirtes

src/Parser/PhpDocParser.php

@@ -230,7 +230,7 @@ private function parseText(TokenIterator $tokens): Ast\PhpDoc\PhpDocTextNode
 			}
 
 			$tokens->dropSavePoint();
-			$text .= "\n";
+			$text .= $tokens->getDetectedNewline() ?? "\n";
 		}
 
 		return new Ast\PhpDoc\PhpDocTextNode(trim($text, " \t"));
@@ -287,7 +287,7 @@ private function parseOptionalDescriptionAfterDoctrineTag(TokenIterator $tokens)
 			}
 
 			$tokens->dropSavePoint();
-			$text .= "\n";
+			$text .= $tokens->getDetectedNewline() ?? "\n";
 		}
 
 		return trim($text, " \t");