Rust: Fix capturedCallRead

rust/ql/lib/codeql/rust/dataflow/internal/SsaImpl.qll

@@ -189,7 +189,7 @@ private predicate capturedCallRead(Expr call, BasicBlock bb, int i, Variable v)
     hasCapturedRead(pragma[only_bind_into](v), pragma[only_bind_into](scope)) and
     (
       variableWriteInOuterScope(bb, any(int j | j < i), v, scope) or
-      variableWriteInOuterScope(bb.getAPredecessor+(), _, v, scope)
+      variableWriteInOuterScope(bb.getImmediateDominator+(), _, v, scope)
     ) and
     call = bb.getNode(i).getAstNode()
   )

rust/ql/test/query-tests/security/CWE-089/CONSISTENCY/SsaConsistency.expected

@@ -1,4 +0,0 @@
-uselessPhiNode
-| sqlx.rs:155:5:157:5 | SSA phi(arg0) | 1 |
-phiWithoutTwoPriorRefs
-| sqlx.rs:155:5:157:5 | SSA phi(arg0) | sqlx.rs:155:5:157:5 | if enable_remote {...} | sqlx.rs:156:17:156:86 | arg0 | 1 |