Documentation/git-status: add missing line breaks

Signed-off-by: Josh Soref <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: jsoref

Documentation/git-status.txt

@@ -245,10 +245,12 @@ U           U    unmerged, both modified
 ....
 
 Submodules have more state and instead report
+
 		M    the submodule has a different HEAD than
 		     recorded in the index
 		m    the submodule has modified content
 		?    the submodule has untracked files
+
 since modified content or untracked files in a submodule cannot be added
 via `git add` in the superproject to prepare a commit.