eslint: add / enforce curly: 'multi-line' rule

- this was only violated once in drawing (fixed in this commit)

Author: etpinard

.eslintrc

@@ -17,7 +17,7 @@
     "indent": [2, 4, {"SwitchCase": 1}],
     "max-len": [0, 80],
     "brace-style": [0, "stroustrup", {"allowSingleLine": true}],
-    "curly": [0, "multi"],
+    "curly": [2, "multi-line"],
     "camelcase": [0, {"properties": "never"}],
     "comma-spacing": [2, {"before": false, "after": true}],
     "comma-style": [2, "last"],

src/components/drawing/index.js

@@ -204,8 +204,10 @@ function singlePointStyle(d, sel, trace, markerScale, lineScale, marker, markerL
 
             // handle multi-trace graph edit case
             if(d.ms === 'various' || marker.size === 'various') r = 3;
-            else r = subTypes.isBubble(trace) ?
+            else {
+                r = subTypes.isBubble(trace) ?
                         sizeFn(d.ms) : (marker.size || 6) / 2;
+            }
 
             // store the calculated size so hover can use it
             d.mrc = r;