Add 'const' qualifiers to static const char* variables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186371 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCObjectStreamer.cpp b/lib/MC/MCObjectStreamer.cpp
index 6c07192..36a923a 100644
--- a/lib/MC/MCObjectStreamer.cpp
+++ b/lib/MC/MCObjectStreamer.cpp
@@ -242,7 +242,7 @@
 }
 
 #ifndef NDEBUG
-static const char *BundlingNotImplementedMsg =
+static const char *const BundlingNotImplementedMsg =
   "Aligned bundling is not implemented for this object format";
 #endif