buglist item (main trunk only)

> The lighting store doesn't sell oil (probably never added when
> POT_OIL was added). There currently isn't enough room in the
> shclass struct for another item, but that could be expanded. I
> think adding oil there would be useful for the post-3.4.x
> version.

include/mkroom.h

@@ -30,7 +30,7 @@ struct shclass {
 	struct itp {
 	    int iprob;		/* probability of an item type */
 	    int itype;	/* item type: if >=0 a class, if < 0 a specific item */
-	} iprobs[5];
+	} iprobs[6];
 	const char * const *shknms;	/* list of shopkeeper names for this type */
 };