remove trailing whitespace

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index 5ebea70..a99f9b5 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -233,7 +233,7 @@
 	safe_strncpy(command_ps, src, maxsize);
 	return strlen(command_ps);
 }
-# if ENABLE_FEATURE_TAB_COMPLETION 
+# if ENABLE_FEATURE_TAB_COMPLETION
 static void save_string(char *dst, int maxsize)
 {
 	safe_strncpy(dst, command_ps, maxsize);