fixed '~' handling in ZIP files (fixes #849)

src/common/FSNodeZIP.cxx

@@ -35,6 +35,18 @@ FilesystemNodeZIP::FilesystemNodeZIP(const string& p)
 
   _zipFile = p.substr(0, pos+4);
 
+  // Expand '~' to the users 'home' directory
+  if (_zipFile[0] == '~')
+  {
+#if defined(BSPF_UNIX) || defined(BSPF_MACOS)
+    string home = BSPF::getenv("HOME");
+    if (home != EmptyString)
+      _zipFile.replace(0, 1, home);
+#elif defined(BSPF_WINDOWS)
+    _zipFile.replace(0, 1, myHomeFinder.getHomePath());
+#endif
+  }
+
   // Open file at least once to initialize the virtual file count
   try
   {