Fix hanging when playing with book

The queued input moves were not terminated with a linefeed.
As a result the last move could be fused with a 'go' command that
immediatey followed it, (as it would after loading an opening line),
effectively losing the latter from the queue. The engine would then
not start.

diff --git a/UCI2WB.c b/UCI2WB.c
index 7251f5d..c1b8dc6 100644 (file)
--- a/UCI2WB.c
+++ b/UCI2WB.c
@@ -516,7 +516,7 @@ GUI2Engine()
                EPRINT((f, "# ponderhit%s\n", draw)) fflush(toE); fflush(stdout);\r
            } else {\r
                if(searching) StopSearch(1);     // ponder miss or analysis, as moves won't arrive during thinking\r
-               p = command; *qEnd++ = 'e'; *qEnd++ = ' '; while(qEnd < queue+10000 && (*qEnd++ = *p++)) {}\r
+               p = command; *qEnd++ = 'e'; *qEnd++ = ' '; while(qEnd < queue+10000 && (*qEnd++ = *p++)) {} *qEnd++ = '\n';\r
                Sync(WAKEUP);                    // queue move for adding it to game (and toggle stm)\r
            }\r
        } else\r