Bug 205582: map EHOSTUNREACH to PR_HOST_UNREACHABLE_ERROR on Unix. r=darin.

nsprpub/pr/src/md/unix/unix_errors.c

@@ -108,6 +108,9 @@ void _MD_unix_map_default_error(int err)
         case EFBIG:
             prError = PR_FILE_TOO_BIG_ERROR;
             break;
+        case EHOSTUNREACH:
+            prError = PR_HOST_UNREACHABLE_ERROR;
+            break;
         case EINPROGRESS:
             prError = PR_IN_PROGRESS_ERROR;
             break;