Fixing error: declaration of ‘size’ shadows a member of 'this' [-Werror=shadow]

imgui.h

@@ -1041,7 +1041,7 @@ public:
     inline const value_type&    back() const                    { IM_ASSERT(Size > 0); return Data[Size - 1]; }
     inline void                 swap(ImVector<T>& rhs)          { int rhs_size = rhs.Size; rhs.Size = Size; Size = rhs_size; int rhs_cap = rhs.Capacity; rhs.Capacity = Capacity; Capacity = rhs_cap; value_type* rhs_data = rhs.Data; rhs.Data = Data; Data = rhs_data; }
 
-    inline int                  _grow_capacity(int size) const  { int new_capacity = Capacity ? (Capacity + Capacity/2) : 8; return new_capacity > size ? new_capacity : size; }
+    inline int                  _grow_capacity(int sz) const    { int new_capacity = Capacity ? (Capacity + Capacity/2) : 8; return new_capacity > sz ? new_capacity : sz; }
 
     inline void                 resize(int new_size)            { if (new_size > Capacity) reserve(_grow_capacity(new_size)); Size = new_size; }
     inline void                 resize(int new_size, const T& v){ if (new_size > Capacity) reserve(_grow_capacity(new_size)); if (new_size > Size) for (int n = Size; n < new_size; n++) Data[n] = v; Size = new_size; }