Fix #define syntax
diff --git a/archival/libunarchive/decompress_uncompress.c b/archival/libunarchive/decompress_uncompress.c
index 302201f..fe0f2b3 100644
--- a/archival/libunarchive/decompress_uncompress.c
+++ b/archival/libunarchive/decompress_uncompress.c
@@ -1,7 +1,7 @@
 #include "config.h"
 #include "libbb.h"
 
-#ifdef CONFIG_UNCOMPRESS || defined CONFIG_FEATURE_GUNZIP_UNCOMPRESS
+#if defined CONFIG_UNCOMPRESS || defined CONFIG_FEATURE_GUNZIP_UNCOMPRESS
 
 /* uncompress for busybox -- (c) 2002 Robert Griebl
  *
diff --git a/archival/libunarchive/uncompress.c b/archival/libunarchive/uncompress.c
index 302201f..fe0f2b3 100644
--- a/archival/libunarchive/uncompress.c
+++ b/archival/libunarchive/uncompress.c
@@ -1,7 +1,7 @@
 #include "config.h"
 #include "libbb.h"
 
-#ifdef CONFIG_UNCOMPRESS || defined CONFIG_FEATURE_GUNZIP_UNCOMPRESS
+#if defined CONFIG_UNCOMPRESS || defined CONFIG_FEATURE_GUNZIP_UNCOMPRESS
 
 /* uncompress for busybox -- (c) 2002 Robert Griebl
  *