8.1.0325

• 8.1.0316: swapinfo() test fails on Travis. Handle a long host name.
  (Ozaki Kiichi, closes #3361) Also make the version check flexible.
  (James McCoy)
• 8.1.0317: Cscope test fails when using shadow directory. Resolve
  symlink in Vim. (James McCoy, closes #3364)
• 8.1.0318: The getftype() test may fail for char devices if the file
  disappeared in between the listing and the getftype() call. Ignore
  empty result. (Ozaki Kiichi, closes #3360)
• 8.1.0319: bzero() function prototype doesn't work for Android. Add an
  #ifdef. (Elliott Hughes, closes #3365)
• 8.1.0320: Too much 'incsearch' highlight for pattern matching
  everything. Add the skiplen to the command and remove the line range.
  (Christian Brabandt) Check for empty pattern earlier.
• 8.1.0321: 'incsearch' regression: 'incsearch' regression: /\v
  highlights everything. Put back the empty_pattern() check.
• 8.1.0322: Test_copy_winopt() does not restore 'hidden'. Restore the
  option, fix indent. (Ozaki Kiichi, closes #3367)
• 8.1.0323: Reverse order of VTP calls only needed the first time. Add a
  flag to remember the state. (Nobuhiro Takasaki, closes #3366)
• 8.1.0324: Off-by-one error in cmdidx check. (Coverity) Use ">="
  instead of ">".
• 8.1.0325: Strings in swap file may not be NUL terminated. (Coverity)
  Limit the length of the used string.