adjust bls12_381 constant formatting

Author: leighmcculloch

soroban-sdk/src/crypto/bls12_381.rs

@@ -15,7 +15,7 @@ use core::{
 pub const FP_SERIALIZED_SIZE: usize = 48; // Size in bytes of a serialized Fp element in BLS12-381. The field modulus is 381 bits, requiring 48 bytes (384 bits) with 3 bits reserved for flags.
 pub const FP2_SERIALIZED_SIZE: usize = FP_SERIALIZED_SIZE * 2;
 pub const G1_SERIALIZED_SIZE: usize = FP_SERIALIZED_SIZE * 2; // Must match soroban_sdk_macro::map_type::G1_SERIALIZED_SIZE.
-pub const G2_SERIALIZED_SIZE: usize = FP2_SERIALIZED_SIZE * 2;// Must match soroban_sdk_macro::map_type::G2_SERIALIZED_SIZE.
+pub const G2_SERIALIZED_SIZE: usize = FP2_SERIALIZED_SIZE * 2; // Must match soroban_sdk_macro::map_type::G2_SERIALIZED_SIZE.
 
 /// Bls12_381 provides access to curve and field arithmetics on the BLS12-381
 /// curve.