Run clang-format on include/*.h and lib/*.cpp. (#343)

Run clang-format on include/*.h, lib/*.cpp and tools/*/*.cpp
diff --git a/lib/SimplifyPointerBitcastPass.cpp b/lib/SimplifyPointerBitcastPass.cpp
index 3a77732..06cdd8f 100644
--- a/lib/SimplifyPointerBitcastPass.cpp
+++ b/lib/SimplifyPointerBitcastPass.cpp
@@ -34,7 +34,7 @@
   bool runOnBitcastFromGEP(Module &M) const;
   bool runOnGEPFromGEP(Module &M) const;
 };
-}
+} // namespace
 
 char SimplifyPointerBitcastPass::ID = 0;
 static RegisterPass<SimplifyPointerBitcastPass>
@@ -44,7 +44,7 @@
 llvm::ModulePass *createSimplifyPointerBitcastPass() {
   return new SimplifyPointerBitcastPass();
 }
-}
+} // namespace clspv
 
 bool SimplifyPointerBitcastPass::runOnModule(Module &M) {
   bool Changed = false;