avconv: remove bogus warning when using avconv -h without parameter

8d09d39a · Janne Grunau · 25227c3a · 8d09d39a
Commit 8d09d39a authored Oct 10, 2012 by Janne Grunau
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avconv_opt.c avconv_opt.c +1 -1

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--- a/avconv_opt.c
+++ b/avconv_opt.c
@@ -1792,7 +1792,7 @@ void show_help_default(const char *opt, const char *arg)
    const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE;
    int show_advanced = 0, show_avoptions = 0;

-    if (opt) {
+    if (opt && *opt) {
        if (!strcmp(opt, "long"))
            show_advanced = 1;
        else if (!strcmp(opt, "full"))