Set streams NEWS category for file_get_contents fix

Author: bukka

NEWS

@@ -41,11 +41,9 @@ PHP                                                                        NEWS
   . Fixed bug GH-13891 (memleak and segfault when using ini_set with
     session.trans_sid_hosts). (nielsdos, kamil-tekiela)
 
-- Standard:
+- Streams:
   . Fixed file_get_contents() on Windows fails with "errno=22 Invalid
     argument". (Damian Wójcik)
-
-- Streams:
   . Fixed bug GH-13264 (Part 1 - Memory leak on stream filter failure).
     (Jakub Zelenka)
   . Fixed bug GH-13860 (Incorrect PHP_STREAM_OPTION_CHECK_LIVENESS case in