Use new Symtab Module interface in test_module (#234)

* Remove check for fullname

The two names are now the same.

* Use updated findModuleByOffset

* Use Symtab::findModulesByName

src/symtab/test_module.C

@@ -120,30 +120,18 @@ test_results_t test_module_Mutator::executeTest()
 		   return FAILED;
 	   }
 
-	   SymtabAPI::Module *test_mod = NULL;
-	   result = symtab->findModuleByName(test_mod, modname);
+	   auto mods_by_name = symtab->findModulesByName(modname);
 
-	   if (!result || !test_mod)
+	   if (mods_by_name.empty())
 	   {
-           failure_info << " could not be found by filename " << modname << std::endl;
+           failure_info << " could not be found by name " << modname << std::endl;
            logerror(failure_info.str().c_str());
 		   return FAILED;
 	   }
 
-	   test_mod = NULL;
-	   result = symtab->findModuleByName(test_mod, modfullname);
+	   auto *test_mod = symtab->findModuleByOffset(offset);
 
-	   if (!result || !test_mod)
-	   {
-           failure_info << " could not be found by full name " << modfullname << std::endl;
-           logerror(failure_info.str().c_str());
-		   return FAILED;
-	   }
-
-	   test_mod = NULL;
-       result = symtab->findModuleByOffset(test_mod, offset);
-
-       if (!result || !test_mod)
+       if (!test_mod)
        {
            failure_info << " could not be found by offset " << offset << std::endl;
            failure_info << "Result was " << (result ? "TRUE" : "FALSE") << ", mod was " << std::hex << test_mod << std::dec << std::endl;