storyboard.c: fix output path.

git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@3348 92316355-f0b4-4df1-b90c-862c8a59935f

examples/storyboard.c

@@ -51,7 +51,7 @@ int main(int argc, char *argv[])
         return EXIT_FAILURE;
 
     parser = strrchr(argv[1], '/');
-    strcpy(fmtstr, parser ? parser : argv[1]);
+    strcpy(fmtstr, parser ? parser + 1 : argv[1]);
     parser = strrchr(fmtstr, '.');
     if(parser)
         *parser = '\0';