[PFW] Integrate PFW core version 3.2.5 release

PFW 3.2.5 release notes:
https://github.com/intel/parameter-framework/releases/tag/v3.2.5

This release contains the following changes:
- CMake Package configuration file generation
- Preliminary and unofficial OSX support in Travis-CI
- Use clang-tidy for automatic code cleanup
- Some more cleanup and fixes
- Speed Travis-CI up by using CCache

Bug: 124767636
Test: build

Change-Id: Ib7ce6824430f3907c0508194e91f71a934bdcda8
Signed-off-by: Sebastien Guiriec <sebastien.guiriec@renault.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/upstream/parameter/ConfigurableElement.cpp b/upstream/parameter/ConfigurableElement.cpp
index 615d72b..1aecf11 100644
--- a/upstream/parameter/ConfigurableElement.cpp
+++ b/upstream/parameter/ConfigurableElement.cpp
@@ -378,7 +378,7 @@ ISyncer *CConfigurableElement::getSyncer() const
 
         return static_cast<const CConfigurableElement *>(pParent)->getSyncer();
     }
-    return NULL;
+    return nullptr;
 }
 
 // Syncer set (me, ascendant or descendant ones)
@@ -630,7 +630,7 @@ const CSubsystem *CConfigurableElement::getBelongingSubsystem() const
     // Stop at system class
     if (!pParent->getParent()) {
 
-        return NULL;
+        return nullptr;
     }
 
     return static_cast<const CConfigurableElement *>(pParent)->getBelongingSubsystem();