Don't insert a break into include lines with trailing comments.

llvm-svn: 182003
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index c920132..37e9ba8 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -2894,6 +2894,7 @@
                "#include <a-a>\n"
                "#include < path with space >\n"
                "#include \"abc.h\" // this is included for ABC\n"
+               "#include \"some long include\" // with a comment\n"
                "#include \"some very long include paaaaaaaaaaaaaaaaaaaaaaath\"",
                getLLVMStyleWithColumns(35));