rtl::Static to thread-safe static

Change-Id: Iff3489ee171cf2eaecbd1aad6f942a1468f76512
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/124928
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 7 insertions, 5 deletions

diff --git a/drawinglayer/source/attribute/fillgradientattribute.cxx b/drawinglayer/source/attribute/fillgradientattribute.cxx
index 0e42954e35e6..b8b06e20bbbf 100644
--- a/drawinglayer/source/attribute/fillgradientattribute.cxx
+++ b/drawinglayer/source/attribute/fillgradientattribute.cxx
@@ -19,7 +19,6 @@
 
 #include <drawinglayer/attribute/fillgradientattribute.hxx>
 #include <basegfx/color/bcolor.hxx>
-#include <rtl/instance.hxx>
 
 
 namespace drawinglayer::attribute
@@ -92,8 +91,11 @@ namespace drawinglayer::attribute
 
         namespace
         {
-            struct theGlobalDefault :
-                public rtl::Static< FillGradientAttribute::ImplType, theGlobalDefault > {};
+            FillGradientAttribute::ImplType& theGlobalDefault()
+            {
+                static FillGradientAttribute::ImplType SINGLETON;
+                return SINGLETON;
+            }
         }
 
         FillGradientAttribute::FillGradientAttribute(
@@ -111,7 +113,7 @@ namespace drawinglayer::attribute
         }
 
         FillGradientAttribute::FillGradientAttribute()
-        :   mpFillGradientAttribute(theGlobalDefault::get())
+        :   mpFillGradientAttribute(theGlobalDefault())
         {
         }
 
@@ -123,7 +125,7 @@ namespace drawinglayer::attribute
 
         bool FillGradientAttribute::isDefault() const
         {
-            return mpFillGradientAttribute.same_object(theGlobalDefault::get());
+            return mpFillGradientAttribute.same_object(theGlobalDefault());
         }
 
         FillGradientAttribute& FillGradientAttribute::operator=(const FillGradientAttribute&) = default;