Handle null and file symbol on doInitialization

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77354 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/ELFCodeEmitter.cpp b/lib/CodeGen/ELFCodeEmitter.cpp
index a62a884..d363adb 100644
--- a/lib/CodeGen/ELFCodeEmitter.cpp
+++ b/lib/CodeGen/ELFCodeEmitter.cpp
@@ -36,7 +36,7 @@
 /// startFunction - This callback is invoked when a new machine function is
 /// about to be emitted.
 void ELFCodeEmitter::startFunction(MachineFunction &MF) {
-  DEBUG(errs() << "processing function: " 
+  DEBUG(errs() << "processing function: "
         << MF.getFunction()->getName() << "\n");
 
   // Get the ELF Section that this function belongs in.