spark git commit: [SPARK-15468][SQL] fix some typos

Repository: spark Updated Branches: refs/heads/master 7920296bf -> 72288fd67 [SPARK-15468][SQL] fix some typos ## What changes were proposed in this pull request? Fix some typos while browsing the codes. ## How was this patch tested? None and obvious. Author: Bo Meng

spark git commit: [SPARK-15468][SQL] fix some typos

Repository: spark Updated Branches: refs/heads/branch-2.0 831c7c085 -> d39eb4bc3 [SPARK-15468][SQL] fix some typos ## What changes were proposed in this pull request? Fix some typos while browsing the codes. ## How was this patch tested? None and obvious. Author: Bo Meng