[analyzer] Correct the c++-analyzer symlink

As Matt pointed out, this should be just a link to 'ccc-analyzer'.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147661 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/tools/scan-build/c++-analyzer b/tools/scan-build/c++-analyzer
index e3eaf1f4b19ae9d616c6b47375e5932f70598681..ca10bf547dc273778c757137962a08226256d847 120000 (symlink)
--- a/tools/scan-build/c++-analyzer
+++ b/tools/scan-build/c++-analyzer
@@ -1 +1 @@
-tools/scan-build/ccc-analyzer
\ No newline at end of file
+ccc-analyzer
\ No newline at end of file