Coding Style cleanup

Fix trailing white space, indentation by spaces instead of TABs,
excessive blank lines, trailing blank lines.

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/doc/README.menu b/doc/README.menu
index 1259c6a..0dad6a2 100644
--- a/doc/README.menu
+++ b/doc/README.menu
@@ -97,7 +97,7 @@
 			printf("failed to add item!");
 			menu_destroy(m);
 			return NULL;
-                }
+		}
 	}
 
 	if (menu_get_choice(m, (void **)&tool) != 1)