Shark: fix some minor typos (and thinkos)

[Gary Benson]

Andrew Haley wrote:
> -    : IRBuilder(),
> +  : IRBuilder<>(),
...
> -class SharkBuilder : public llvm::IRBuilder {
> +class SharkBuilder : public llvm::IRBuilder<> {
...
> -  llvm::Value* intptr_value(llvm::IRBuilder* builder) const
> +  llvm::Value* intptr_value(llvm::IRBuilder<>* builder) const

This patch breaks the build for older g++s.  Is there any way it can
be made to work for all?

Cheers,
Gary

-- 
http://gbenson.net/