Linux: try libgio-2.0.so.0 first when trying to use gsettings for proxy settings.

net/proxy/proxy_config_service_linux.cc

Index: net/proxy/proxy_config_service_linux.cc
===================================================================
--- net/proxy/proxy_config_service_linux.cc	(revision 102250)
+++ net/proxy/proxy_config_service_linux.cc	(working copy)
@@ -844,10 +844,14 @@
   // binary, so we detect these systems that way.
 
 #ifdef DLOPEN_GSETTINGS
-  gio_handle_ = dlopen("libgio-2.0.so", RTLD_NOW | RTLD_GLOBAL);
+  gio_handle_ = dlopen("libgio-2.0.so.0", RTLD_NOW | RTLD_GLOBAL);
   if (!gio_handle_) {
-    VLOG(1) << "Cannot load gio library. Will fall back to gconf.";
-    return false;
+    // Try again without .0 at the end; on some systems this may be required.
+    gio_handle_ = dlopen("libgio-2.0.so", RTLD_NOW | RTLD_GLOBAL);
+    if (!gio_handle_) {
+      VLOG(1) << "Cannot load gio library. Will fall back to gconf.";
+      return false;
+    }
   }
   if (!LoadSymbol("g_settings_new",
                   reinterpret_cast<void**>(&g_settings_new)) ||