fix: pednatic warning

removed an extraneous semicolon

Author: nholthaus

include/units/core.h

@@ -692,7 +692,7 @@ namespace units
 				decltype(NumericalScale::scale(T{})) operator()(T)
 				{
 					return scale(T{});
-				};
+				}
 			};
 		} // namespace detail
 		/** @endcond */ // END DOXYGEN IGNORE
@@ -4200,4 +4200,4 @@ namespace units
 #endif
 #endif
 
-#endif // UNIT_CORE_H
+#endif // UNIT_CORE_H