regex.h included with GHC 6.4.2

[Simon Marlow]

Rich Fought wrote:
> Am I crazy or is there an error in regex.h included with GHC?
> 
> On line 110 there appears to be an extraneous or unterminated 'extern 
> "C" {'

Apparently so.  It was added in rev 1.2 of libraries/cbits/regex/regex.h by 
simonpj, but it looks like a typo (or cut&pasto).  I've removed it now.

Cheers,
	Simon