Resolve custom-event-name-casing lint warnings

Signed-off-by: Sukanya Pandey <sukapan1@in.ibm.com>
Change-Id: I9eea4eac3b8cacc216fc9ad1011e51622622e75f
diff --git a/src/components/Global/LoadingBar.vue b/src/components/Global/LoadingBar.vue
index d62ef1e..1034de6 100644
--- a/src/components/Global/LoadingBar.vue
+++ b/src/components/Global/LoadingBar.vue
@@ -22,13 +22,13 @@
     };
   },
   created() {
-    this.$root.$on('loader::start', () => {
+    this.$root.$on('loader-start', () => {
       this.startLoadingInterval();
     });
-    this.$root.$on('loader::end', () => {
+    this.$root.$on('loader-end', () => {
       this.endLoadingInterval();
     });
-    this.$root.$on('loader::hide', () => {
+    this.$root.$on('loader-hide', () => {
       this.hideLoadingBar();
     });
   },