Merge branch 'pull-request/2664'

* pull-request/2664:
  Fix unittest for minimal length in random string
  Add support for webp in imagecreatefromstring

diff --cc NEWS
index 842b9a3924a4ddbd3d5f1152138405d9f435c20b,035eac82b85a4ed2bf4cdff0d0af4feabc6bb59a..364bd09c7e135b48f0f2c21f5260f72348f5a61a
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -12,6 -11,6 +12,9 @@@ PH
    . Fixed bug #74125 (Fixed finding CURL on systems with multiarch support).
      (cebe)
  
++- GD:
++  . Added support for WebP in imagecreatefromstring() (Andreas Treichel, cmb).
++
  - LDAP:
    . Added ldap_exop_refresh helper for EXOP REFRESH operation with dds overlay. 
      (Come)