Is it always necessary to put every function definition in a separate extern block? #564
Description
Here is a diff of regenerating some bindings with servo/rust-bindgen over the old Yamakaky/rust-bindgen: jeremyletang/rust-sfml@ed4ecd7#diff-1e7d161ae38b44ab3fb4c32f7c2bdf19R371
It adds a lot of extra noise with all those extern blocks.