Correct the slurpies in documented signatures

Author: skids

lib/Type/Array.pod

@@ -31,8 +31,8 @@ Example:
 
 =head2 routine push
 
-    multi sub    push(Array:D, *@values) returns Array:D
-    multi method push(Array:D: *@values) returns Array:D
+    multi sub    push(Array:D, **@values) returns Array:D
+    multi method push(Array:D: **@values) returns Array:D
 
 Adds the C<@values> to the end of the array, and returns the modified list.
 Fails for infinite arrays.
@@ -59,8 +59,8 @@ Example:
 
 =head2 routine unshift
 
-    multi sub    unshift(Array:D, *@values) returns Array:D
-    multi method unshift(Array:D: *@values) returns Array:D
+    multi sub    unshift(Array:D, **@values) returns Array:D
+    multi method unshift(Array:D: **@values) returns Array:D
 
 Adds the C<@values> to the start of the array, and returns the modified array.
 Fails if C<@values> is infinite.