Fixed gcc build warnings

+ vim 'fixed' line endings in json_value.cpp

Contributed-by:  Johannes Doerfert <doerfert@cs.uni-saarland.de>
llvm-svn: 206044
diff --git a/polly/lib/Analysis/ScopInfo.cpp b/polly/lib/Analysis/ScopInfo.cpp
index e8e9a16..4003602 100644
--- a/polly/lib/Analysis/ScopInfo.cpp
+++ b/polly/lib/Analysis/ScopInfo.cpp
@@ -813,7 +813,8 @@
   if (ParameterName == "" || ParameterName.substr(0, 2) == "p_")
     ParameterName = "p_" + utostr_32(IdIter->second);
 
-  return isl_id_alloc(getIslCtx(), ParameterName.c_str(), (void *)Parameter);
+  return isl_id_alloc(getIslCtx(), ParameterName.c_str(),
+                      const_cast<void *>((const void *)Parameter));
 }
 
 void Scop::buildContext() {