Add another rocksdb compile error fix to FAQ entry
On Fedora, Linux headers aren't enough to build `rocksdb`, as suggested in `clang` is also required. Adds note to troubleshooting to help with this.
@@ -44,6 +44,7 @@ Run `cargo update` to fix this
## Build error: Panic during rocksdb compilation.
This is caused by missing Linux headers. Install the development headers with
your favorite package manager (usually they are called `linux-headers`).
+On some platforms, installing `clang` is also required.
# Short term plans
## Transaction types
