nit: updated comment

Author: nilanjana87

clang/test/Driver/pgo-sample-use-profi.c

@@ -1,5 +1,5 @@
 /// Test if profi flag is enabled/disabled correctly based on user-specified configuration.
-/// Ensure that profi flag is disabled by default
+/// Ensure that profi flag is enabled by default
 
 // Target specific checks:
 // RUN: %clang --target=x86_64 -c -fprofile-sample-use=/dev/null -### %s 2>&1 | FileCheck %s