[MINOR] Fix a typo in FsHistoryProvider loginfo

[sungpeo]

What changes were proposed in this pull request?

a typo in logging. (just added : )

[HyukjinKwon]

It's okay but mind double checking if there are some more typos around here? I am sure there are more and let's fix it while we're here.

[HyukjinKwon]

Also, let's keep the PR template (https://github.com/apache/spark/blob/master/.github/PULL_REQUEST_TEMPLATE).

[srowen]

Jenkins test this please

[SparkQA]

Test build #122620 has finished for PR 28505 at commit 679a1bc.

• This patch fails build dependency tests.
• This patch merges cleanly.
• This patch adds no public classes.

[SparkQA]

Test build #5004 has finished for PR 28505 at commit 679a1bc.

• This patch fails build dependency tests.
• This patch does not merge cleanly.
• This patch adds no public classes.

[srowen]

Jenkins test this please

[SparkQA]

Test build #122729 has finished for PR 28505 at commit 679a1bc.

• This patch passes all tests.
• This patch merges cleanly.
• This patch adds no public classes.

[srowen]

OK, merged to master