Cleanup trailing whitespaces and indentation that uses spaces before tabs

Correct spacing to fix warnings reported by
git diff --check 4b825dc642cb6eb9a060e54bf8d69288fbee4904 HEAD

Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
diff --git a/desc.c b/desc.c
index e01b9ac..383107e 100644
--- a/desc.c
+++ b/desc.c
@@ -872,7 +872,7 @@
 				tprintf("{%p, %p, %ld, %ld}",
 					event.data, event.obj,
 					event.res, event.res2);
-			else 
+			else
 #endif
 				tprintf("{...}");
 		}