Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
  Fix #54298: Using empty additional_headers adding extraneous CRLF

diff --cc NEWS
index 0e4d1b0a241a73235002de641a6f93fa154c1ee0,acecfa4037639427ef4e51012933fc154835c923..0a4ccbd28b0e936a7aaa305c09b0918cd75e31e2
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -72,22 -49,25 +72,24 @@@ PH
  - Shmop:
    . Fixed bug #78538 (shmop memory leak). (cmb)
  
 +- Sqlite3:
 +  . Fixed bug #79056 (sqlite does not respect PKG_CONFIG_PATH during
 +    compilation). (Nikita)
 +
 +- Spl:
 +  . Fixed bug #78976 (SplFileObject::fputcsv returns -1 on failure). (cmb)
 +
  - Standard:
 +  . Fixed bug #79000 (Non-blocking socket stream reports EAGAIN as error).
 +    (Nikita)
+   . Fixed bug #54298 (Using empty additional_headers adding extraneous CRLF).
+     (cmb)
  
 -18 Dec 2019, PHP 7.3.13
 -
 -- Bcmath:
 -  . Fixed bug #78878 (Buffer underflow in bc_shift_addsub). (CVE-2019-11046).
 -    (cmb)
 +18 Dec 2019, PHP 7.4.1
  
  - Core:
 -  . Fixed bug #78862 (link() silently truncates after a null byte on Windows).
 -    (CVE-2019-11044). (cmb)
 -  . Fixed bug #78863 (DirectoryIterator class silently truncates after a null
 -    byte). (CVE-2019-11045). (cmb)
 -  . Fixed bug #78943 (mail() may release string with refcount==1 twice).
 -    (CVE-2019-11049). (cmb)
 -  . Fixed bug #78787 (Segfault with trait overriding inherited private shadow
 -    property). (Nikita)
 +  . Fixed bug #78810 (RW fetches do not throw "uninitialized property"
 +    exception). (Nikita)
    . Fixed bug #78868 (Calling __autoload() with incorrect EG(fake_scope) value).
      (Antony Dovgal, Dmitry)
    . Fixed bug #78296 (is_file fails to detect file). (cmb)

diff --cc ext/standard/mail.c
Simple merge