[sanitizers] Increase default "git clone --depth" to 100

git-svn-id: https://llvm.org/svn/llvm-project/zorg/trunk@375291 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/zorg/buildbot/builders/sanitizers/buildbot_functions.sh b/zorg/buildbot/builders/sanitizers/buildbot_functions.sh
index a0cc0e8..05f03f4 100755
--- a/zorg/buildbot/builders/sanitizers/buildbot_functions.sh
+++ b/zorg/buildbot/builders/sanitizers/buildbot_functions.sh
@@ -122,7 +122,7 @@
     LLVM=$BUILDBOT_MONO_REPO_PATH/llvm
   else
     (
-      local DEPTH=10
+      local DEPTH=100
       [[ -d llvm-project ]] || git clone --depth $DEPTH https://github.com/llvm/llvm-project.git
       cd llvm-project
       git fetch