imgvtopgm-2.1-bp160.1.12

- Update to version 2.1:
  - added #include <string.h> in some C files to prevent compiler
    warnings with newer gcc
  - update configure.in for use with libnetpbm-11 (that includes
    libpgm now) and run 'autoreconf -i'
- imgvtopgm-lib-cleanup.patch: removed
- imgvtopgm-2.0-warnings-fix.diff: upstream

- Use %patch -P N instead of deprecated %patchN.
- Use %license

- switch to https urls

- Add imgvtopgm-lib-cleanup.patch: cleanup usage of libraries after
  netpbm has been changed to no loner provide all compatibility
  names (due to conflicts with openpgm).

- Update homepage URL, remove ancient/redundant sections from
  specfile, use modern macros.

- added libnetpbm-devel to buildreq

- Don't strip binaries.

- converted neededforbuild to BuildRequires

- add -lm to help configure with netpbm

- use RPM_OPT_FLAGS, fixed all implicit warnings.

- fixed gcc warnings

- add %defattr

- removed bogus self-provides

- removed aclocal, autoconf and automake

- change gz to bz2

- create this package for view images on Palm