[Memory] re-suppress old leak

Got removed in r218198, reoccured in WebKit memory tests.

NOTRY=true
TBR=thestig@chromium.org, benwells@chromium.org
BUG=214044

Review URL: https://chromiumcodereview.appspot.com/23904006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@222101 0039d316-1c4b-4281-b951-d872f2087c98

tools/valgrind/memcheck/suppressions.txt

@@ -6579,6 +6579,15 @@
    fun:_ZN3WTF9BitVectorC1Em
    fun:_ZN7WebCore10UseCounter17recordMeasurementENS0_7FeatureE
 }
+{
+   bug_241044	
+   Memcheck:Uninitialized	
+   fun:_ZN7WebCore8Settings29setOpenGLMultisamplingEnabledEb
+   fun:_ZN6WebKit15WebSettingsImpl29setOpenGLMultisamplingEnabledEb
+   fun:_ZN7content19ApplyWebPreferencesERK14WebPreferencesPN6WebKit7WebViewE
+   fun:_ZN7content14RenderViewImpl22OnUpdateWebPreferencesERK14WebPreferences
+   fun:_ZN7content14RenderViewImpl20SetWebkitPreferencesERK14WebPreferences
+}
 {
    bug_241892a
    Memcheck:Leak