Removed a unused variable warning

When compiled without openssl nor gpg signature verification
opkg build fail due to 3 unused variable and -Werror

git-svn-id: http://opkg.googlecode.com/svn/trunk@226 e8e0d7a0-c8d9-11dd-a880-a1081c7ac358

1 files changed, 4 insertions, 0 deletions

diff --git a/libopkg/opkg_download.c b/libopkg/opkg_download.c
index e31c49c..7dc965b 100644
--- a/libopkg/opkg_download.c
+++ b/libopkg/opkg_download.c
@@ -447,6 +447,10 @@ verify_file_end:
 
     return status;
 #else
+    /* mute `unused variable' warnings. */
+    (void) sig_file;
+    (void) text_file;
+    (void) conf;
     return 0;
 #endif
 }