Basic: Update getClangRepositoryPath for my change to integration branch layout.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103192 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Version.cpp b/lib/Basic/Version.cpp
index 6d9bee8..036ee00 100644
--- a/lib/Basic/Version.cpp
+++ b/lib/Basic/Version.cpp
@@ -28,7 +28,8 @@
   if (End)
     URLEnd = End;
 
-  End = strstr(URL, "/clang/tools/clang");
+  // Strip off version from a build from an integration branch.
+  End = strstr(URL, "/src/tools/clang");
   if (End)
     URLEnd = End;