Really quit on failure to open ical file

diff --git a/ews2ical.c b/ews2ical.c
index e2a7ce8be140fbb779ee10c773d7db972217d73f..db39b2d5dd242b98b81f54231ee573d5e27bb1a1 100644 (file)
--- a/ews2ical.c
+++ b/ews2ical.c
@@ -38,7 +38,7 @@ int main(int argc, char **argv)
        }
        if (argc >= 3) {
                calfile = fopen(argv[2], "w");
-               if (!calfile < 0) {
+               if (!calfile) {
                        perror("open cal file");
                        return -1;
                }