[Lilypond-auto] Issue 4315 in lilypond: Patch: PATCH: Fix unset PATH crash

[lilypond]

Status: Started
Owner: address@hidden
Labels: Type-Enhancement Patch-new

New issue 4315 by address@hidden: Patch: PATCH: Fix unset PATH crash
https://code.google.com/p/lilypond/issues/detail?id=4315

PATCH: Fix unset PATH crash

Per Masamichi Hosada:
On Windows, lilypond crashes when the environment variable PATH is not set.

```
C:\tmp\lilypond-2.19.16-0.mingw\$_OUTDIR\usr\bin>set PATH=

C:\tmp\lilypond-2.19.16-0.mingw\$_OUTDIR\usr\bin>lilypond
GNU LilyPond 2.19.16
terminate called after throwing an instance of 'std::logic_error'
  what():  basic_string::_S_construct null not valid

This application has requested the Runtime to terminate it in an unusual  
way.
Please contact the application's support team for more information.

C:\tmp\lilypond-2.19.16-0.mingw\$_OUTDIR\usr\bin>
```

Even in the case of linux, this issue is a possible crash.

http://codereview.appspot.com/211320043

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