fix gcc worning

Author: delfrrr

include/delaunator.hpp

@@ -14,11 +14,11 @@ namespace delaunator {
 //@see https://stackoverflow.com/questions/33333363/built-in-mod-vs-custom-mod-function-improve-the-performance-of-modulus-op/33333636#33333636
 inline size_t fast_mod(const size_t i, const size_t c) {
     return i >= c ? i % c : i;
-};
+}
 
 inline size_t fast_mod_3(const size_t i) {
     return i % 3;
-};
+}
 
 // Kahan and Babuska summation, Neumaier variant; accumulates less FP error
 inline double sum(const std::vector<double>& x) {