[C++] API sync

Added:
 * NotCurses: `stats_alloc` (`notcurses_stats_alloc`)
 * Plane: `set_resizecb` (`ncplane_set_resizecb`)

include/ncpp/NotCurses.hh

@@ -283,6 +283,11 @@ namespace ncpp
 			return error_guard (notcurses_align (availcols, align, cols), -INT_MAX);
 		}
 
+		ncstats* stats_alloc () const noexcept
+		{
+			return notcurses_stats_alloc (nc);
+		}
+
 		static bool ucs32_to_utf8 (const char32_t *ucs32, unsigned ucs32count, unsigned char *resultbuf, size_t buflen) NOEXCEPT_MAYBE
 		{
 			return error_guard (notcurses_ucs32_to_utf8 (ucs32, ucs32count, resultbuf, buflen), -1);

include/ncpp/Plane.hh

@@ -1146,6 +1146,11 @@ namespace ncpp
 			return plane != nullptr;
 		}
 
+		void set_resizecb (int(*resizecb)(struct ncplane*)) const noexcept
+		{
+			ncplane_set_resizecb (plane, resizecb);
+		}
+
 	protected:
 		explicit Plane (ncplane *_plane, bool _is_stdplane)
 			: Root (nullptr),