Corrected similarity parameter used in test-addremove

0.5 meant 50% in the early stages of addremove -s, now 50 has to be used.

tests/test-addremove

@@ -1,26 +1,26
 #!/bin/sh
 
 hg init rep
 cd rep
 mkdir dir
 touch foo dir/bar
 hg -v addremove
 hg -v commit -m "add 1" -d "1000000 0"
 cd dir/
 touch ../foo_2 bar_2
 hg -v addremove
 hg -v commit -m "add 2" -d "1000000 0"
 
 cd ..
 hg init sim
 cd sim
 echo a > a
 echo a >> a
 echo a >> a
 echo c > c
 hg commit -Ama
 mv a b
 rm c
 echo d > d
-hg addremove -s 0.5
+hg addremove -s 50
 hg commit -mb