C++: accept SignAnalysis.expected

Author: Robert Marsh

cpp/ql/test/library-tests/rangeanalysis/signanalysis/SignAnalysis.expected

@@ -16,6 +16,8 @@
 | inline_assembly.c:10:3:10:7 | Store: ... = ... | positive strictlyPositive |
 | inline_assembly.c:10:7:10:7 | Constant: (unsigned int)... | positive strictlyPositive |
 | inline_assembly.c:12:32:12:32 | Load: y | positive strictlyPositive |
+| inline_assembly.c:21:29:21:29 | Load: x | positive |
+| inline_assembly.c:21:32:21:32 | Load: y | positive |
 | minmax.c:16:9:16:10 | Constant: 1 | positive strictlyPositive |
 | minmax.c:16:9:16:10 | Store: 1 | positive strictlyPositive |
 | minmax.c:16:16:16:17 | Constant: 2 | positive strictlyPositive |