Suppress gtk related leaks inside BrowserWidgetGtk::initWidgets

tools/valgrind/memcheck/suppressions.txt

Index: tools/valgrind/memcheck/suppressions.txt
diff --git a/tools/valgrind/memcheck/suppressions.txt b/tools/valgrind/memcheck/suppressions.txt
index b745e71e12df28f8b64cb45b23d67afefe75b67d..4a2599bb1ace3ad1d8a5aee84e48c4758195e364 100644
--- a/tools/valgrind/memcheck/suppressions.txt
+++ b/tools/valgrind/memcheck/suppressions.txt
@@ -6406,23 +6406,14 @@
    bug_167175a
    Memcheck:Leak
    ...
-   fun:_ZN18LocationBarViewGtk4InitEb
-   fun:_ZN17BrowserToolbarGtk4InitEP10_GtkWindow
-   fun:_ZN16BrowserWindowGtk11InitWidgetsEv
-   fun:_ZN16BrowserWindowGtk4InitEv
-   fun:_ZN13BrowserWindow19CreateBrowserWindowEP7Browser
-}
-{
-   bug_167175b
-   Memcheck:Leak
+   fun:g_*
    ...
-   fun:_ZN15BrowserTitlebar4InitEv
    fun:_ZN16BrowserWindowGtk11InitWidgetsEv
    fun:_ZN16BrowserWindowGtk4InitEv
    fun:_ZN13BrowserWindow19CreateBrowserWindowEP7Browser
 }
 {
-   bug_167175c
+   bug_167175b
    Memcheck:Leak
    fun:malloc
    obj:/lib/libpng12.so.0.42.0