gio: Don't run gsocketclient-slow test under sanitizers

AddressSanitizer, UndefinedBehaviourSanitizer and probably others
involve adding instrumentation into the code under test, which doesn't
go well with LD_PRELOAD modules that absolutely need to be
self-contained.

Signed-off-by: Simon McVittie <smcv@collabora.com>

gio/tests/meson.build

@@ -152,7 +152,8 @@ if host_machine.system() != 'windows'
     'trash' : {},
   }
 
-  if have_rtld_next
+  # LD_PRELOAD modules don't work so well with AddressSanitizer
+  if have_rtld_next and get_option('b_sanitize') == 'none'
     gio_tests += {
       'gsocketclient-slow' : {
         'depends' : [