Merge branch 'PHP-7.2' into PHP-7.3

* PHP-7.2:
  Fix #77700: Writing truecolor images as GIF ignores interlace flag

diff --cc NEWS
index 98b5b089f0ebb0ebe7b1d46054d8e99af9f6bf0b,ffd0bacccb51540bd5f995f93b709cc607b36641..28e5ea09cc7426abc3527775d5ff1233ae942f4b
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -14,6 -14,14 +14,10 @@@ PH
    . Fixed bug #77677 (FPM fails to build on AIX due to missing WCOREDUMP).
      (Kevin Adler)
  
 -- Date:
 -  . Fixed bug #50020 (DateInterval:createDateFromString() silently fails).
 -    (Derick)
 -
+ - GD:
+   . Fixed bug #77700 (Writing truecolor images as GIF ignores interlace flag).
+     (cmb)
+ 
  - MySQLi:
    . Fixed bug #77597 (mysqli_fetch_field hangs scripts). (Nikita)