Src/Utils: fix compilation warnings detected by Clang for mem stats

'noexcept' must be specified for both destructors and constructors.
This fixes compilation warnings when -DScalFMM_USE_MEM_STATS is enabled.

Src/Utils/FMemStats.cpp

@@ -44,7 +44,7 @@ FMemStats FMemStats::controler;
     }
 
     // Nothrow scalar new
-    void* operator new(size_t n,const std::nothrow_t& nothrow_value)
+    void* operator new(size_t n,const std::nothrow_t& nothrow_value) noexcept
     {
         //if (n == 0) n = 1;
         void* const allocated = malloc(n + 8);
@@ -63,7 +63,7 @@ FMemStats FMemStats::controler;
     }
 
     // Nothrow array new
-    void* operator new[](size_t n,const std::nothrow_t& nothrow_value)
+    void* operator new[](size_t n,const std::nothrow_t& nothrow_value) noexcept
     {
         return ::operator new(n, std::nothrow);
     }

Src/Utils/FMemStats.h

@@ -32,9 +32,9 @@
 #include <stdexcept>
 #warning You are using meme stats
 void* operator new(std::size_t n);
-void* operator new (std::size_t size, const std::nothrow_t& nothrow_value) ;
+void* operator new (std::size_t size, const std::nothrow_t& nothrow_value) noexcept;
 void* operator new[](std::size_t n);
-void* operator new[] (std::size_t size, const std::nothrow_t& nothrow_value) ;
+void* operator new[] (std::size_t size, const std::nothrow_t& nothrow_value) noexcept;
 void operator delete(void* p) noexcept;
 void operator delete (void* ptr, const std::nothrow_t& nothrow_constant) noexcept;
 void operator delete[](void* p) noexcept;
@@ -69,9 +69,9 @@ private:
 
 #ifdef ScalFMM_USE_MEM_STATS
     friend void* operator new(std::size_t n);
-    friend void* operator new (std::size_t size, const std::nothrow_t& nothrow_value) ;
+    friend void* operator new (std::size_t size, const std::nothrow_t& nothrow_value) noexcept;
     friend void* operator new[](std::size_t n);
-    friend void* operator new[] (std::size_t size, const std::nothrow_t& nothrow_value) ;
+    friend void* operator new[] (std::size_t size, const std::nothrow_t& nothrow_value) noexcept;
     friend void operator delete(void* p) noexcept;
     friend void operator delete (void* ptr, const std::nothrow_t& nothrow_constant) noexcept;
     friend void operator delete[](void* p) noexcept;