Fix memory leaks

This renders these simple tests ASAN and LSAN (Address Sanitizer
and Leak Sanitizer) clean.

Change-Id: Ibe5b7054a20c1575a1a7939b0bed4101afeeee56
Reviewed-by: Marc Mutz <marc.mutz@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

tests/auto/cmake/test_add_binary_resources_delayed_file/main.cpp

@@ -9,6 +9,7 @@ int main(int argc, char **argv)
     if (QResource::registerResource("rcc_file.rcc") &&
         QFile::exists("://resource_file.txt") && QFile::exists("://resource_file_two.txt"))
     {
+        QResource::unregisterResource("rcc_file.rcc");          // avoid leaks
         return 0;
     }
 

tests/auto/cmake/test_add_resources_binary_generated/main.cpp

@@ -12,5 +12,9 @@ int main(int, char **)
             || !QFile::exists(":/resource2.txt")) {
         return -1;
     }
+
+    // Avoid leaks
+    QResource::unregisterResource(RESOURCE1_FULL_PATH);
+    QResource::unregisterResource(RESOURCE2_FULL_PATH);
     return 0;
 }