Fix a possible crash on delete of an uninitialized variable.

llvm-svn: 77846
diff --git a/llvm/lib/Target/PIC16/PIC16TargetObjectFile.h b/llvm/lib/Target/PIC16/PIC16TargetObjectFile.h
index c296954..708c311 100644
--- a/llvm/lib/Target/PIC16/PIC16TargetObjectFile.h
+++ b/llvm/lib/Target/PIC16/PIC16TargetObjectFile.h
@@ -52,7 +52,8 @@
     mutable std::vector<PIC16Section*> ROSections;
     mutable PIC16Section *ExternalVarDecls;
     mutable PIC16Section *ExternalVarDefs;
-    
+
+    PIC16TargetObjectFile();
     ~PIC16TargetObjectFile();
     
     void Initialize(MCContext &Ctx, const TargetMachine &TM);