fix potential realloc bug in ext_node

bleibig / rust-grammar

LALR grammar and parser for Rust using flex and bison

MIT License

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Open patperry opened 9 years ago

patperry commented 9 years ago

I copied some of your code for a hobby project, and this bug showed up.

Note that I was unable to test this fix on your project (compiling rlex.rs failed for me using rustc 1.0.0 on mac).