Since this keeps coming up. Sync engine and frontend wheel handling, again.
--- a/hedgewars/uInputHandler.pas Wed May 29 15:12:06 2013 -0400
+++ b/hedgewars/uInputHandler.pas Wed May 29 17:47:54 2013 -0400
@@ -289,8 +289,8 @@
DefaultBinds[KeyNameToCode(_S'y')]:= 'confirm';
DefaultBinds[KeyNameToCode('mousem')]:= 'zoomreset';
-DefaultBinds[KeyNameToCode('wheelup')]:= 'zoomout';
-DefaultBinds[KeyNameToCode('wheeldown')]:= 'zoomin';
+DefaultBinds[KeyNameToCode('wheelup')]:= 'zoomin';
+DefaultBinds[KeyNameToCode('wheeldown')]:= 'zoomout';
DefaultBinds[KeyNameToCode('f12')]:= 'fullscr';