Fixed/added namespace ending comments using clang-tidy. NFC

The patch is generated using this command:

tools/clang/tools/extra/clang-tidy/tool/run-clang-tidy.py -fix \
  -checks=-*,llvm-namespace-comment -header-filter='llvm/.*|clang/.*' \
  llvm/lib/


Thanks to Eugene Kosov for the original patch!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240137 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/CFGPrinter.cpp

@@ -40,7 +40,7 @@ namespace {
       AU.setPreservesAll();
     }
   };
-}
+} // namespace
 
 char CFGViewer::ID = 0;
 INITIALIZE_PASS(CFGViewer, "view-cfg", "View CFG of function", false, true)
@@ -63,7 +63,7 @@ namespace {
       AU.setPreservesAll();
     }
   };
-}
+} // namespace
 
 char CFGOnlyViewer::ID = 0;
 INITIALIZE_PASS(CFGOnlyViewer, "view-cfg-only",
@@ -97,7 +97,7 @@ namespace {
       AU.setPreservesAll();
     }
   };
-}
+} // namespace
 
 char CFGPrinter::ID = 0;
 INITIALIZE_PASS(CFGPrinter, "dot-cfg", "Print CFG of function to 'dot' file", 
@@ -130,7 +130,7 @@ namespace {
       AU.setPreservesAll();
     }
   };
-}
+} // namespace
 
 char CFGOnlyPrinter::ID = 0;
 INITIALIZE_PASS(CFGOnlyPrinter, "dot-cfg-only",