Use keywords consistent with other Rand crates

vks · vks · commit a385938e40bd · 2018-07-18T10:14:59.000+02:00
diff --git a/rand_xorshift/Cargo.toml b/rand_xorshift/Cargo.toml
@@ -10,7 +10,7 @@ homepage = "https://crates.io/crates/rand_isaac"
 description = """
 Xorshift random number generator
 """
-keywords = ["rng"]
+keywords = ["random", "rng", "xorshift"]
 categories = ["algorithms", "no-std"]
 
 [badges]
