typo fixed

Author: elizarov

gradle.properties

@@ -14,6 +14,6 @@ npm_version = 5.7.1
 mocha_version = 4.1.0
 mocha_headless_chrome_version = 1.8.2
 mocha_teamcity_reporter_version = 2.2.2
-source_map_suport_version = 0.5.3
+source_map_support_version = 0.5.3
 
 kotlin.incremental.multiplatform=true

gradle/test-mocha-js.gradle

@@ -3,7 +3,7 @@
 task installDependenciesMochaNode(type: NpmTask, dependsOn: [npmInstall]) {
     args = ['install',
             "mocha@$mocha_version",
-            "source-map-support@$source_map_suport_version",
+            "source-map-support@$source_map_support_version",
             '--no-save']
     if (project.hasProperty("teamcity")) args += [
             "mocha-teamcity-reporter@$mocha_teamcity_reporter_version"]