Add a helper getSymbol to AsmPrinter.

llvm-svn: 193627
diff --git a/llvm/lib/Target/MSP430/MSP430MCInstLower.cpp b/llvm/lib/Target/MSP430/MSP430MCInstLower.cpp
index 043e5be..52f9ee5 100644
--- a/llvm/lib/Target/MSP430/MSP430MCInstLower.cpp
+++ b/llvm/lib/Target/MSP430/MSP430MCInstLower.cpp
@@ -33,7 +33,7 @@
   case 0: break;
   }
 
-  return Printer.Mang->getSymbol(MO.getGlobal());
+  return Printer.getSymbol(MO.getGlobal());
 }
 
 MCSymbol *MSP430MCInstLower::