Ensure consistency in the helpers.toRadians name

diff --git a/src/Chart.Core.js b/src/Chart.Core.js
index 0121b11a11a6739e2269702a4d12eba688bdc2c0..66f3d1e2997da899c8be49ec698b0db932fcdfe4 100755 (executable)
--- a/src/Chart.Core.js
+++ b/src/Chart.Core.js
@@ -402,7 +402,7 @@
                 return 0;
             }
         },
-        toRadians = helpers.radians = function(degrees) {
+        toRadians = helpers.toRadians = function(degrees) {
             return degrees * (Math.PI / 180);
         },
                toDegrees = helpers.toDegrees = function(radians) {