instream: drop dynamic exception specifications

They were deprecated in C++11.

Author: kdudka

Diff for: instream.cc

@@ -19,7 +19,7 @@
 
 #include "instream.hh"
 
-InStream::InStream(const char *fName) throw (InFileException):
+InStream::InStream(const char *fName):
     fileName_(fName),
     str_((!fileName_.compare("-"))
                 ? std::cin

Diff for: instream.hh

@@ -36,7 +36,7 @@ struct InFileException {
 
 class InStream {
     public:
-        InStream(const char *fileName) throw (InFileException);
+        InStream(const char *fileName);
         ~InStream();
 
         const std::string& fileName()   const { return fileName_;   }