A14-7-2: Just report base name

The source ___location is different between compiler testing and qltest,
leading to spurious differences. This simplifies the query, reporting
only the base name of the file but still reporting the link.

Author: lcartey

cpp/autosar/src/rules/A14-7-2/TemplateSpecializationNotDeclaredInTheSameFile.ql

@@ -58,4 +58,4 @@ where
   not spec.getFile() = spec.getPrimary().getFile() and
   not extraExclude(spec)
 select spec, "Specialization found in file $@ where primary template is outside that file.",
-  spec.getFile(), spec.getFile().getRelativePath()
+  spec.getFile(), spec.getFile().getBaseName()

cpp/autosar/test/rules/A14-7-2/TemplateSpecializationNotDeclaredInTheSameFile.expected

@@ -1,3 +1,3 @@
-| test.cpp:5:20:5:25 | s<int> | Specialization found in file $@ where primary template is outside that file. | test.cpp:0:0:0:0 | test.cpp | rules/A14-7-2/test.cpp |
-| test.cpp:7:18:7:24 | f | Specialization found in file $@ where primary template is outside that file. | test.cpp:0:0:0:0 | test.cpp | rules/A14-7-2/test.cpp |
-| test.cpp:13:19:13:28 | vector<s1, allocator<s1>> | Specialization found in file $@ where primary template is outside that file. | test.cpp:0:0:0:0 | test.cpp | rules/A14-7-2/test.cpp |
+| test.cpp:5:20:5:25 | s<int> | Specialization found in file $@ where primary template is outside that file. | test.cpp:0:0:0:0 | test.cpp | test.cpp |
+| test.cpp:7:18:7:24 | f | Specialization found in file $@ where primary template is outside that file. | test.cpp:0:0:0:0 | test.cpp | test.cpp |
+| test.cpp:13:19:13:28 | vector<s1, allocator<s1>> | Specialization found in file $@ where primary template is outside that file. | test.cpp:0:0:0:0 | test.cpp | test.cpp |