Exit instead of continue if we didn't get "in" pipe after 60s

Commit increases wait-on-connection time from 15 to 60 seconds.
Also, if we didn't get "in" pipe after 60 seconds, exit. Because if we
don't exit, we end up with files instead of pipes. It's possible that
wait-on-connection timeout will have to be adjusted further.

iibot-ng

@@ -132,8 +132,15 @@ time_slept=0
 while ! test -p "${ircdir}/${network}/in"; do
     sleep 1
     time_slept=$((time_slept + 1))
-    if [ ${time_slept} -ge 15 ]; then
-        break
+    if [ ${time_slept} -ge 60 ]; then
+        # We either didn't get the connection or something went wrong -> crash.
+        #
+        # NOTE(zstyblik): we cannot continue without pipe. If we do, then it
+        # looks like we will end up with files instead of pipes(which is bad).
+        # This doesn't mean that pipe cannot go away later, but still.
+        printf "Pipe '%s' still does not exist - giving up.\n" \
+            "${ircdir}/${network}/in" 1>&2
+        exit 1
     fi
 done