Refs #18920 Use Kernel::make_unique

For older compilers.

Framework/DataObjects/test/PeakTest.h

@@ -8,6 +8,7 @@
 #include "MantidKernel/UnitFactory.h"
 #include "MantidKernel/Unit.h"
 #include "MantidKernel/V3D.h"
+#include "MantidKernel/make_unique.h"
 #include "MantidKernel/PhysicalConstants.h"
 #include "MantidGeometry/Instrument/ReferenceFrame.h"
 #include <gmock/gmock.h>
@@ -381,7 +382,7 @@ public:
         ComponentCreationHelper::createTestInstrumentRectangular(5, 100);
     auto extendedSpaceObj =
         ComponentCreationHelper::createSphere(10., V3D(0, 0, 0));
-    auto extendedSpace = std::make_unique<ObjComponent>(
+    auto extendedSpace = Mantid::Kernel::make_unique<ObjComponent>(
         "extended-detector-space", extendedSpaceObj, sphereInst.get());
     extendedSpace->setPos(V3D(0.0, 0.0, 0.0));
     sphereInst->add(extendedSpace.release());
@@ -458,7 +459,7 @@ public:
         ComponentCreationHelper::createTestInstrumentRectangular(5, 100);
     auto extendedSpaceObj =
         ComponentCreationHelper::createSphere(10., V3D(0, 0, 0));
-    auto extendedSpace = std::make_unique<ObjComponent>(
+    auto extendedSpace = Mantid::Kernel::make_unique<ObjComponent>(
         "extended-detector-space", extendedSpaceObj, sphereInst.get());
     extendedSpace->setPos(V3D(0.0, 0.0, 0.0));
     sphereInst->add(extendedSpace.release());