Documentation/git-quiltimport.txt: Fix labeled list formatting

Mark the continuation paragraph of a list entry as such to avoid
getting a literal paragraph instead.

Signed-off-by: Sergey Vlasov <vsu@altlinux.ru>
Signed-off-by: Junio C Hamano <junkio@cox.net>

Documentation/git-quiltimport.txt

@@ -42,10 +42,10 @@ OPTIONS
 --patches <dir>::
 	The directory to find the quilt patches and the
 	quilt series file.
-
++
-        The default for the patch directory is patches
+The default for the patch directory is patches
-	or the value of the $QUILT_PATCHES environment
+or the value of the $QUILT_PATCHES environment
-	variable.
+variable.
 
 Author
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