Generate correct changelog version

Author: johanbrandhorst

CHANGELOG.md

@@ -1,7 +1,7 @@
 # Change Log
 
-## [v1.8.5](https://github.com/grpc-ecosystem/grpc-gateway/tree/v1.8.5) (2019-05-07)
-[Full Changelog](https://github.com/grpc-ecosystem/grpc-gateway/compare/v1.8.5...v1.8.5)
+## [v1.8.6](https://github.com/grpc-ecosystem/grpc-gateway/tree/v1.8.6) (2019-05-07)
+[Full Changelog](https://github.com/grpc-ecosystem/grpc-gateway/compare/v1.8.5...v1.8.6)
 
 **Fixed bugs:**
 
@@ -20,6 +20,7 @@
 - Delete redundant load statement [\#922](https://github.com/grpc-ecosystem/grpc-gateway/pull/922) ([pcj](https://github.com/pcj))
 - Make gazelle diffs fail the build [\#916](https://github.com/grpc-ecosystem/grpc-gateway/pull/916) ([achew22](https://github.com/achew22))
 - Fixed empty path bug [\#913](https://github.com/grpc-ecosystem/grpc-gateway/pull/913) ([brycematheson1234](https://github.com/brycematheson1234))
+- Use proto gen swagger with protos from external repository [\#924](https://github.com/grpc-ecosystem/grpc-gateway/pull/924) ([elenadeneva92](https://github.com/elenadeneva92))
 
 ## [v1.8.5](https://github.com/grpc-ecosystem/grpc-gateway/tree/v1.8.5) (2019-03-15)
 [Full Changelog](https://github.com/grpc-ecosystem/grpc-gateway/compare/v1.8.4...v1.8.5)
@@ -948,4 +949,4 @@
 
 
 
-\* *This Change Log was automatically generated by [github_changelog_generator](https://github.com/skywinder/Github-Changelog-Generator)*
+\* *This Change Log was automatically generated by [github_changelog_generator](https://github.com/skywinder/Github-Changelog-Generator)*

Makefile

@@ -194,7 +194,7 @@ changelog:
 				--compare-link \
 				--github-site=https://github.com \
 				--unreleased-label "**Next release**" \
-				--future-release=v1.8.5
+				--future-release=v1.8.6
 lint:
 	golint --set_exit_status ./runtime
 	golint --set_exit_status ./utilities/...