Increase enchantment on weapon randarts.

It was generally agreed that weapon randarts are a bit weaker than non-weapon
randarts on average. This commit buffs them by increasing their accuracy and
damage enchantment by about 3 each on average (while maintaining the same
[-6,+12] range of possibilities).

1 files changed, 1 insertions, 0 deletions

diff --git a/crawl-ref/source/random.h b/crawl-ref/source/random.h
index ffa3497b14..374b89b8f3 100644
--- a/crawl-ref/source/random.h
+++ b/crawl-ref/source/random.h
@@ -24,6 +24,7 @@ double random_range_real(double low, double high, int nrolls = 1);
 
 int random2avg(int max, int rolls);
 int bestroll(int max, int rolls);
+int biased_random2(int max, int n);
 int random2limit(int max, int limit);
 int binomial_generator(unsigned n_trials, unsigned trial_prob);
 bool bernoulli(double n_trials, double trial_prob);