Fix a couple of spelling mistakes

llvm-svn: 277569
diff --git a/polly/lib/Transform/ScheduleOptimizer.cpp b/polly/lib/Transform/ScheduleOptimizer.cpp
index acecf9d..83f28f7 100644
--- a/polly/lib/Transform/ScheduleOptimizer.cpp
+++ b/polly/lib/Transform/ScheduleOptimizer.cpp
@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This pass generates an entirey new schedule tree from the data dependences
+// This pass generates an entirely new schedule tree from the data dependences
 // and iteration domains. The new schedule tree is computed in two steps:
 //
 // 1) The isl scheduling optimizer is run