Check for error when opening gzfilebuf.

This replaces a segfault when a file can't be found with an exception.
Not as helpful as it could be yet, but certainly better than just
crashing.

Also, make InputFileStream constructor from path "explicit" to avoid
mistakes.

1 files changed, 1 insertions, 1 deletions

diff --git a/moses/InputFileStream.h b/moses/InputFileStream.h
index d53abfc23..313ddfed7 100644
--- a/moses/InputFileStream.h
+++ b/moses/InputFileStream.h
@@ -37,7 +37,7 @@ protected:
   std::streambuf *m_streambuf;
 public:
 
-  InputFileStream(const std::string &filePath);
+  explicit InputFileStream(const std::string &filePath);
   ~InputFileStream();
 
   void Close();