Change pretty-printing API for SymExprs and MemRegions to use a naming convention and style similar to other elements in Clang.

llvm-svn: 75548
diff --git a/clang/lib/Analysis/RegionStore.cpp b/clang/lib/Analysis/RegionStore.cpp
index 00a086d..2999225 100644
--- a/clang/lib/Analysis/RegionStore.cpp
+++ b/clang/lib/Analysis/RegionStore.cpp
@@ -1439,7 +1439,7 @@
   OS << "Store:" << nl;
   
   for (RegionBindingsTy::iterator I = B.begin(), E = B.end(); I != E; ++I) {
-    OS << ' '; I.getKey()->print(OS); OS << " : ";
+    OS << ' ' << I.getKey() << " : ";
     I.getData().print(OS); OS << nl;
   }
 }