Drop 'const'


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36662 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/opt/GraphPrinters.cpp b/tools/opt/GraphPrinters.cpp
index 9b41ebc..5bf9088 100644
--- a/tools/opt/GraphPrinters.cpp
+++ b/tools/opt/GraphPrinters.cpp
@@ -60,7 +60,7 @@
 
 namespace {
   struct CallGraphPrinter : public ModulePass {
-    static const char ID; // Pass ID, replacement for typeid
+    static char ID; // Pass ID, replacement for typeid
     CallGraphPrinter() : ModulePass((intptr_t)&ID) {}
 
     virtual bool runOnModule(Module &M) {
@@ -77,7 +77,7 @@
     }
   };
 
-  const char CallGraphPrinter::ID = 0;
+  char CallGraphPrinter::ID = 0;
   RegisterPass<CallGraphPrinter> P2("print-callgraph",
                                     "Print Call Graph to 'dot' file");
 }