Get 1994/ldb to compile

This required some -includes at the compiler line as well as use of the
comma operator as srand() returns void but it was used in || expression.

1994/ldb/ldb.c

@@ -1 +1 @@
-int _,O,__??('}'??);main(){while(O?gets((rand()%O++?':':_)+__)||puts(&__??(_??))&_:srand(time((O+++_)))||O);}
+int _,O,__??('}'??);main(){while(O?gets((rand()%O++?':':_)+__)||puts(&__??(_??))&_:(srand(time((O+++_))),0)||O);}