syntax warnings found in development mode

Change-Id: I95ad530f8a1d30834d25d4df7898e813f231ddcb
Reviewed-on: https://gerrit.instructure.com/2839
Tested-by: Hudson <hudson@instructure.com>
Reviewed-by: Jon Jensen <jon@instructure.com>

app/models/enrollment.rb

@@ -221,6 +221,7 @@ class Enrollment < ActiveRecord::Base
   end
   
   def rank_sortable(student_first=false)
+    type = self.class.to_s
     case type
     when 'StudentEnrollment'
       student_first ? 0 : 4

lib/canvas/account_reports.rb

@@ -32,7 +32,7 @@ module Canvas::AccountReports
   end
   
   def self.for_account(id)
-    (AvailableReports.reports['default'] || {}).merge (AvailableReports.reports[id] || {})
+    (AvailableReports.reports['default'] || {}).merge(AvailableReports.reports[id] || {})
   end
 
   def self.generate_report(account_report)