Integrated: 649: SKARA will not build/install without termcap

[Erik Helin]

Hi all,

please review this small patch that makes us fall back to `TERM=dumb` if `TERM` is not specified when building on Linux.

Testing:
- [x] `make` works on Linux x64 with and without `TERM` defined

Thanks,
Erik

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Commit messages:
 - build: fall back to TERM=dumb on Linux

Changes: https://git.openjdk.java.net/skara/pull/830/files
 Webrev: https://webrevs.openjdk.java.net/?repo=skara&pr=830&range=00
  Issue: https://bugs.openjdk.java.net/browse/SKARA-649
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/skara/pull/830.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/830/head:pull/830

PR: https://git.openjdk.java.net/skara/pull/830