Bump checkstyle from 8.20 to 8.21 (#5001)

Bumps [checkstyle](https://github.com/checkstyle/checkstyle) from 8.20 to 8.21. - [Release notes](https://github.com/checkstyle/checkstyle/releases) - [Commits](checkstyle/checkstyle@checkstyle-8.20...checkstyle-8.21)
JabRef · May 27, 2019 · b963a0e · b963a0e
1 parent 7c25802
commit b963a0e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/build.gradle b/build.gradle
@@ -173,7 +173,7 @@ dependencies {
     testCompile "org.testfx:testfx-core:4.0.+"
     testCompile "org.testfx:testfx-junit5:4.0.+"
 
-    checkstyle 'com.puppycrawl.tools:checkstyle:8.20'
+    checkstyle 'com.puppycrawl.tools:checkstyle:8.21'
     xjc 'com.sun.xml.bind:jaxb-xjc:2.2.4-1'
     jython 'org.python:jython-standalone:2.7.1'
 }