Fixes compile error

[dmfallak]

Problem

Build fails with the following:

Compiling casper-server v0.1.0 (/nail/home/dfallak/.cargo/git/checkouts/casper-b952159e8c9cd1ac/dd54a31/casper-server)
error[E0282]: type annotations needed for `Box<_>`
  --> casper-server/src/lua/uri.rs:32:17
   |
32 |             let mut query_pairs = query
   |                 ^^^^^^^^^^^^^^^
...
38 |             query_pairs.sort_by_key(|x| x[0]);
   |                         ----------- type must be known at this point
   |
help: consider giving `query_pairs` an explicit type, where the placeholders `_` are specified
   |
32 |             let mut query_pairs: Box<_> = query
   |                                ++++++++

For more information about this error, try `rustc --explain E0282`.
error: could not compile `casper-server` (bin "casper-server") due to 1 previous error

Solution

Provide explicit types for the untyped variables.

Verification

Run cargo build in casper-server directory.

[khvzak]

@dmfallak the most actual branch is dev , did not merge yet to main, will do today.