Security update for libraw (moderate)

This update for libraw fixes the following issues:

The following security vulnerabilities were addressed:

• CVE-2018-5813: Fixed an error within the "parse_minolta()" function
  (dcraw/dcraw.c) that could be exploited to trigger an infinite loop via
  a specially crafted file. This could be exploited to cause a
  DoS.(boo#1103200).

• CVE-2018-5815: Fixed an integer overflow in the
  internal/dcraw_common.cpp:parse_qt() function, that could be exploited
  to cause an infinite loop via a specially crafted Apple QuickTime file.
  (boo#1103206)

• CVE-2018-5810: Fixed an error within the rollei_load_raw() function
  (internal/dcraw_common.cpp) that could be exploited to cause a
  heap-based buffer overflow and subsequently cause a crash. (boo#1103353)

• CVE-2018-5811: Fixed an error within the nikon_coolscan_load_raw()
  function (internal/dcraw_common.cpp) that could be exploited to cause an
  out-of-bounds read memory access and subsequently cause a crash.
  (boo#1103359)

• CVE-2018-5812: Fixed another error within the nikon_coolscan_load_raw()
  function (internal/dcraw_common.cpp) that could be exploited to trigger
  a NULL pointer dereference. (boo#1103360)

• CVE-2018-5807: Fixed an error within the samsung_load_raw() function
  (internal/dcraw_common.cpp) that could be exploited to cause an
  out-of-bounds read memory access and subsequently cause a crash.
  (boo#1103361)