lint: fix infix operator spacing

Author: dougwilson

.eslintrc

@@ -32,6 +32,7 @@
     "no-unreachable": 2,
     "no-unused-vars": 2,
     "semi": [2, "always"],
+    "space-infix-ops": 2,
     "use-isnan": 2,
     "valid-jsdoc": 2,
     "valid-typeof": 2

lib/SqlString.js

@@ -37,7 +37,7 @@ SqlString.escape = function escape(val, stringifyObjects, timeZone) {
 
   switch (typeof val) {
     case 'boolean': return (val) ? 'true' : 'false';
-    case 'number': return val+'';
+    case 'number': return val + '';
     case 'object':
       if (val instanceof Date) {
         return SqlString.dateToString(val, timeZone || 'local');