#10206: add test for previously fixed bug.

Patch by Francisco Martín Brugué.
diff --git a/Misc/ACKS b/Misc/ACKS
index d578c48..06853b9 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -122,6 +122,7 @@
 Gary S. Brown
 Oleg Broytmann
 Dave Brueck
+Francisco Martín Brugué
 Stan Bubrouski
 Erik de Bueger
 Dick Bulterman