fix dying on empty slidefile

diff --git a/sent.c b/sent.c
index e68051fc0adc772c42497c3cacc92132a8731a3a..f7cadb630e0051e1d494dd06e2c2e8f80b39280f 100644 (file)
--- a/sent.c
+++ b/sent.c
@@ -685,7 +685,7 @@ int main(int argc, char *argv[])
                }
        }
 
-       if (!slides || !slides[0].lines)
+       if (!slidecount)
                usage();
 
        xinit();