Rust: Update unused value expected test result

Author: paldepind

rust/ql/test/query-tests/unusedentities/UnusedValue.expected

@@ -18,7 +18,6 @@
 | main.rs:348:5:348:39 | kind | Variable is assigned a value that is never used. |
 | main.rs:370:9:370:9 | x | Variable is assigned a value that is never used. |
 | main.rs:378:17:378:17 | x | Variable is assigned a value that is never used. |
-| main.rs:432:9:432:10 | i6 | Variable is assigned a value that is never used. |
 | more.rs:24:9:24:11 | val | Variable is assigned a value that is never used. |
 | more.rs:46:9:46:14 | a_ptr4 | Variable is assigned a value that is never used. |
 | more.rs:61:9:61:13 | d_ptr | Variable is assigned a value that is never used. |

rust/ql/test/query-tests/unusedentities/main.rs

@@ -429,7 +429,7 @@ fn folds_and_closures() {
     let a5 = 1..10;
     _ = a5.fold(0, | acc, val | val); // BAD: unused variable
 
-    let i6 = 1; // SPURIOUS: unused value
+    let i6 = 1;
     let a6 = 1..10;
     _ = a6.fold(0, | acc, val | acc + val + i6);
 }