Fixed deprecated pollinterval.

Author: gkistanova

buildbot/osuosl/master/master.cfg

@@ -47,13 +47,13 @@ c['change_source'] = []
 c['change_source'].append(
     LLVMPoller(repourl='https://github.com/llvm/llvm-project.git',
                workdir='gitpoller-workdir',
-               pollinterval=120))
+               pollInterval=120))
 c['change_source'].append(
     changes.GitPoller(repourl='https://github.com/llvm/llvm-lnt.git',
                       project='lnt',
                       branch='master',
                       workdir='gitpoller-llvm-lnt',
-                      pollinterval=60*60))
+                      pollInterval=60*60))
 
 c['collapseRequests'] = buildrequest.collapseRequests