build: Cleanup the version when tagging a release in the Makefile.

Makefile

@@ -404,12 +404,12 @@ changelog:
 tag:
 	@ if [ $$(git status -s -uall | wc -l) != 1 ]; then echo 'ERROR: Git workspace must be clean.'; exit 1; fi;
 
-	@ $(ECHO) "This release will be tagged as: v$(NEXT_VERSION)"
+	@ $(ECHO) "This release will be tagged as: $(NEXT_VERSION)"
 	@ $(ECHO) "---------------------------------------------------------------------"
 	@ read -p "Press any key to continue, or press Control+C to cancel. " x;
 
 	@ $(ECHO) " "
-	@ chag update v$(NEXT_VERSION)
+	@ chag update $(NEXT_VERSION)
 	@ $(ECHO) " "
 
 	@ $(ECHO) "These are the contents of the CHANGELOG for this release. Are these correct?"
@@ -422,5 +422,5 @@ tag:
 	@ $(ECHO) " "
 
 	git add .
-	git commit -a -m "relprep: Preparing the v$(NEXT_VERSION) release." --no-verify
+	git commit -a -m "relprep: Preparing the $(NEXT_VERSION) release." --no-verify
 	chag tag --sign