MC: Clean up method names in MCContext.

The naming was a mish-mash of old and new style. Update to be consistent
with the new. NFC.

llvm-svn: 237594
diff --git a/llvm/lib/Target/PowerPC/PPCMachineFunctionInfo.cpp b/llvm/lib/Target/PowerPC/PPCMachineFunctionInfo.cpp
index dd896a9..ec4e0a5 100644
--- a/llvm/lib/Target/PowerPC/PPCMachineFunctionInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCMachineFunctionInfo.cpp
@@ -19,7 +19,7 @@
 
 MCSymbol *PPCFunctionInfo::getPICOffsetSymbol() const {
   const DataLayout *DL = MF.getTarget().getDataLayout();
-  return MF.getContext().GetOrCreateSymbol(Twine(DL->getPrivateGlobalPrefix()) +
+  return MF.getContext().getOrCreateSymbol(Twine(DL->getPrivateGlobalPrefix()) +
                                            Twine(MF.getFunctionNumber()) +
                                            "$poff");
 }