cfi: Rename source file from cc to cpp

See discussion on https://reviews.llvm.org/D58620 for the review.

llvm-svn: 355144

compiler-rt/lib/cfi/CMakeLists.txt

@@ -1,7 +1,9 @@
 add_compiler_rt_component(cfi)
 
 if(OS_NAME MATCHES "Linux" OR OS_NAME MATCHES "FreeBSD" OR OS_NAME MATCHES "NetBSD")
-  set(CFI_SOURCES cfi.cc)
+  set(CFI_SOURCES
+    cfi.cpp
+    )
 
   include_directories(..)
 

compiler-rt/lib/cfi/cfi.cpp

@@ -1,4 +1,4 @@
-//===-------- cfi.cc ------------------------------------------------------===//
+//===-------- cfi.cpp -----------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.