Fix typos pointed out by Duncan. Also untabify these files.

llvm-svn: 57018
diff --git a/llvm/lib/CodeGen/PBQP.h b/llvm/lib/CodeGen/PBQP.h
index e31ccc4..5fd2c06 100644
--- a/llvm/lib/CodeGen/PBQP.h
+++ b/llvm/lib/CodeGen/PBQP.h
@@ -8,7 +8,7 @@
 //===----------------------------------------------------------------------===//
 //
 // Developed by:                   Bernhard Scholz
-//                             The Univesity of Sydney
+//                             The University of Sydney
 //                         http://www.it.usyd.edu.au/~scholz
 //===----------------------------------------------------------------------===//