Add c++-analyzer symlink (which is used by scan-build)

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91937 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/tools/scan-build/c++-analyzer b/tools/scan-build/c++-analyzer
new file mode 120000 (symlink)
index 0000000..ca10bf5
--- /dev/null
+++ b/tools/scan-build/c++-analyzer
@@ -0,0 +1 @@
+ccc-analyzer
\ No newline at end of file