Avoid leaking a string.
Avoid leaking a string.

The string returned by pmk_removeQuotesFromMethodSignature is allocated
and never freed. Make sure we clean up before passing the NSMethodSignature
back to the caller.

mxcl/PromiseKit,mxcl/PromiseKit,allen-zeng/PromiseKit,pgherveou/PromiseKit,pgherveou/PromiseKit,mxcl/PromiseKit,pgherveou/PromiseKit,allen-zeng/PromiseKit