removed paranoia setting of signal handler -- appears to be no longer necessary (thanks to Cygwin 1.7?);

--- a/lib/scripts/bash	Sun Feb 07 20:21:38 2010 +0100
+++ b/lib/scripts/bash	Sun Feb 07 20:44:25 2010 +0100
@@ -28,5 +28,4 @@
 
 # exec script
 
-$SIG{'INT'} = "DEFAULT";   #paranoia setting, required for Cygwin
 exec qq/exec bash '$script_name' > '$output_name'/;