Only show the first few lines of difference.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31901 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/findmisopt b/utils/findmisopt
index 3828c70..f8099a9 100755
--- a/utils/findmisopt
+++ b/utils/findmisopt
@@ -116,7 +116,7 @@
       echo "Diff fails with these switches:"
       echo $switches
       echo "Differences:"
-      diff "$out" "$optout" 
+      diff "$out" "$optout" | head
       return 0;
     fi
   fi