Fix indentation.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114394 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CIndexUSRs.cpp b/tools/libclang/CIndexUSRs.cpp
index 4f23e59..d7135b9 100644
--- a/tools/libclang/CIndexUSRs.cpp
+++ b/tools/libclang/CIndexUSRs.cpp
@@ -289,7 +289,7 @@
         // ID can be null with invalid code.
         if (ObjCInterfaceDecl *ID = CD->getClassInterface()) {
           Visit(ID);
-	  break;
+          break;
         }
         // Invalid code.  Can't generate USR.
         IgnoreResults = true;