Fix quoting of book name in tourney file

The argument of -polyglotBook was written to the tourney file unquoted,
which effectively made it disappear if it was an empty or blank string.

diff --git a/backend.c b/backend.c
index 4af9b0a..f9995d9 100644 (file)
--- a/backend.c
+++ b/backend.c
@@ -10133,7 +10133,7 @@ WriteTourneyFile (char *results, FILE *f)
        fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
        fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
        fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
-       fprintf(f, "-polyglotBook %s\n", appData.polyglotBook);
+       fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
        fprintf(f, "-bookDepth %d\n", appData.bookDepth);
        fprintf(f, "-bookVariation %d\n", appData.bookStrength);
        fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");