Remove 'else' after 'return'. No functional change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186929 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/AsmWriterInst.cpp b/utils/TableGen/AsmWriterInst.cpp
index 68fd559..1c2004f 100644
--- a/utils/TableGen/AsmWriterInst.cpp
+++ b/utils/TableGen/AsmWriterInst.cpp
@@ -226,8 +226,7 @@
     if (Operands[i] != Other.Operands[i]) {
       if (MismatchOperand != ~0U)  // Already have one mismatch?
         return ~1U;
-      else
-        MismatchOperand = i;
+      MismatchOperand = i;
     }
   }
   return MismatchOperand;