coff-alpha memory leak

[Alan Modra]

	* coff-alpha.c (alpha_ecoff_read_ar_hdr): Free ar_hdr on error return.

diff --git a/bfd/coff-alpha.c b/bfd/coff-alpha.c
index d36921bbfe..fe7fcb143d 100644
--- a/bfd/coff-alpha.c
+++ b/bfd/coff-alpha.c
@@ -2026,7 +2026,10 @@ alpha_ecoff_read_ar_hdr (bfd *abfd)
       if (bfd_seek (abfd, (file_ptr) FILHSZ, SEEK_CUR) != 0
 	  || bfd_bread (ab, (bfd_size_type) 8, abfd) != 8
 	  || bfd_seek (abfd, (file_ptr) (- (FILHSZ + 8)), SEEK_CUR) != 0)
-	return NULL;
+	{
+	  free (ret);
+	  return NULL;
+	}
 
       ret->parsed_size = H_GET_64 (abfd, ab);
     }

-- 
Alan Modra
Australia Development Lab, IBM