Tests: Fix valgrind test

Change-Id: I5e05575d0858ef1b8e2d5b3fb8b00b006a11c065
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

tests/auto/valgrind/memcheck/testrunner.cpp

@@ -559,7 +559,7 @@ void TestRunner::syscall()
 
     const Frame frame = stack.frames().first();
     QCOMPARE(frame.functionName(), QLatin1String("main"));
-    QCOMPARE(frame.line(), 4 + HEADER_LENGTH);
+    QCOMPARE(frame.line(), 2 + HEADER_LENGTH);
 
     QCOMPARE(frame.object(), binary);
     QCOMPARE(frame.file(), QLatin1String("main.cpp"));