Make findPartitionByMountPoint public.

src/modules/partition/core/PartitionCoreModule.h

@@ -99,6 +99,7 @@ public:
     bool hasRootMountPoint() const;
 
     QList< Partition* > efiSystemPartitions() const;
+    Partition* findPartitionByMountPoint( const QString& mountPoint ) const;
 
     void revert();
     void revertAllDevices();
@@ -165,8 +166,6 @@ private:
 
     DeviceInfo* infoForDevice( Device* ) const;
 
-    Partition* findPartitionByMountPoint( const QString& mountPoint ) const;
-
     OsproberEntryList m_osproberLines;
 
     QMutex m_revertMutex;