clang-format: Add a space in ObjC protocols.

Before:
  @interface Foo (HackStuff)<MyProtocol>

After:
  @interface Foo (HackStuff) <MyProtocol>

llvm-svn: 214508
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index bebd8d6..b175d2a 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -6119,7 +6119,7 @@
                "+ (id)init;\n"
                "@end");
 
-  verifyGoogleFormat("@interface Foo (HackStuff)<MyProtocol>\n"
+  verifyGoogleFormat("@interface Foo (HackStuff) <MyProtocol>\n"
                      "+ (id)init;\n"
                      "@end");
 
@@ -6161,7 +6161,7 @@
 
   FormatStyle OnePerLine = getGoogleStyle();
   OnePerLine.BinPackParameters = false;
-  verifyFormat("@interface aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ()<\n"
+  verifyFormat("@interface aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa () <\n"
                "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
                "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
                "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"