staging: lustre: Adjust code indent for macro and tail blackslash

Adjust code indent for macro with tab, as well as tail blackslash.
Signed-off-by: Pan Li <incarnation.p.lee@outlook.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/obdclass/cl_page.c

@@ -51,12 +51,12 @@
 static void cl_page_delete0(const struct lu_env *env, struct cl_page *pg,
 			    int radix);
 
-# define PASSERT(env, page, expr)				       \
-	do {								    \
-	  if (unlikely(!(expr))) {				      \
-		  CL_PAGE_DEBUG(D_ERROR, (env), (page), #expr "\n");    \
-		  LASSERT(0);					   \
-	  }							     \
+# define PASSERT(env, page, expr)					   \
+	do {								   \
+		if (unlikely(!(expr))) {				   \
+			CL_PAGE_DEBUG(D_ERROR, (env), (page), #expr "\n"); \
+			LASSERT(0);					   \
+		}							   \
 	} while (0)
 
 # define PINVRNT(env, page, exp) \