Revert r240270 ("Fixed/added namespace ending comments using clang-tidy").

llvm-svn: 240353
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 514484a..250c992 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -1910,7 +1910,7 @@
     
     llvm::APInt getAsInteger() const;
   };
-} // namespace
+}
 
 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) {
   CurValue |= Value << CurBit;