whitespace fixes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/procps/pstree.c b/procps/pstree.c
index ddf5dba..4cd8cb4 100644
--- a/procps/pstree.c
+++ b/procps/pstree.c
@@ -76,7 +76,7 @@
 };
 #define G (*ptr_to_globals)
 #define INIT_G() do { \
-        SET_PTR_TO_GLOBALS(xzalloc(sizeof(G))); \
+	SET_PTR_TO_GLOBALS(xzalloc(sizeof(G))); \
 } while (0)