Changed HTTP URLs to HTTPS where possible (#270)

absl/numeric/int128.cc

@@ -4,7 +4,7 @@
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
+//      https://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ -65,7 +65,7 @@ static inline int Fls128(uint128 n) {
 
 // Long division/modulo for uint128 implemented using the shift-subtract
 // division algorithm adapted from:
-// http://stackoverflow.com/questions/5386377/division-without-using
+// https://stackoverflow.com/questions/5386377/division-without-using
 void DivModImpl(uint128 dividend, uint128 divisor, uint128* quotient_ret,
                 uint128* remainder_ret) {
   assert(divisor != 0);