Fix cmake for r136702 (at least for the most part).  Chandler has been kind 
enough to offer to investigate the underlying issue.  Thanks to Doug for his
assistance as well.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136719 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3ad60ea..2be3c9c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -272,3 +272,6 @@
     file(APPEND "${CLANG_SLN_FILENAME}" "\n# This should be regenerated!\n")
   endif()
 endif()
+
+set(BUG_REPORT_URL "http://llvm.org/bugs/" CACHE STRING
+  "Default URL where bug reports are to be submitted.")