for non-standard things in the check directory

Found the following significant warnings:
  devSVG.c:704:11: warning: expression which evaluates to zero treated as a null pointer constant of type 'int *' [-Wnon-literal-null-conversion]
See '/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/RSvgDevice.Rcheck/00install.out' for details.
Malformed Title field: should not end in a period.
Found the following files/directories:
  'Rplots.svg'
Malformed Title field: should not end in a period.
Found the following files/directories:
  ‘Rplots.svg’
Found the following significant warnings:
  devSVG.c:704:11: warning: expression which evaluates to zero treated as a null pointer constant of type 'int *' [-Wnon-literal-null-conversion]
See ‘/data/gannet/ripley/R/packages/tests-clang/RSvgDevice.Rcheck/00install.out’ for details.
Malformed Title field: should not end in a period.
File ‘RSvgDevice/libs/RSvgDevice.so’:
  Found no calls to: ‘R_registerRoutines’, ‘R_useDynamicSymbols’

It is good practice to register native routines and to disable symbol
search.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
Found the following files/directories:
  ‘Rplots.svg’
Malformed Title field: should not end in a period.
File ‘RSvgDevice/libs/RSvgDevice.so’:
  Found no calls to: ‘R_registerRoutines’, ‘R_useDynamicSymbols’

It is good practice to register native routines and to disable symbol
search.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
Found the following files/directories:
  ‘Rplots.svg’
Malformed Title field: should not end in a period.
Found the following files/directories:
  ‘Rplots.svg’
Malformed Title field: should not end in a period.
Found the following files/directories:
  ‘Rplots.svg’
Malformed Title field: should not end in a period.
Found the following files/directories:
  ‘Rplots.svg’
Malformed Title field: should not end in a period.
Malformed Title field: should not end in a period.
Malformed Title field: should not end in a period.