[PATCH] Refine getLLDBUbuntuCMakeBuildFactory function based on code review feedback

[Siva Chandra]

LGTM with just one nit.
I am assuming you have tested this.


================
Comment at: zorg/buildbot/builders/LLDBBuilder.py:282
@@ +281,3 @@
+                  "-GNinja",
+                 ]
+    if build_compiler == "clang":
----------------
nit: This list can just be on one line.

http://reviews.llvm.org/D7599

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