[frontend] Fix counter_redirects

src/api/app/models/obs_factory/openqa_api.rb

@@ -21,7 +21,7 @@ def _get(uri, counter_redirects)
       # Prevent endless loop in case response is always 301 or 302
       unless counter_redirects >= 5
         if resp.code.to_i == 302 or resp.code.to_i == 301
-          counter_redirects =+ 1
+          counter_redirects += 1
           Rails.logger.debug "following to #{resp.header['location']}"
           return _get(URI.parse(resp.header['location']), counter_redirects)
         end
@@ -47,7 +47,7 @@ def get(url, params = {}, options = {})
       end
 
       if options[:base_url]
-        uri = URI.join(options[:base_url].chomp('/')+'/', url)
+        uri = URI.join(options[:base_url].chomp('/') + '/', url)
       else
         uri = URI.join(@base_url, url)
       end

src/api/app/presenters/obs_factory/staging_project_presenter.rb

@@ -142,7 +142,7 @@ def review_percentage
       total = classified_requests.size
       missing = 0
       classified_requests.each do |rq|
-        missing +=1 if rq[:missing_reviews]
+        missing += 1 if rq[:missing_reviews]
       end
       if total > 0
         100 - missing * 100 / total