Add detail when reporting inability to exec GPG

diff --git a/gatekeeper.pl b/gatekeeper.pl
index 85dd8cff9f112743ba6c82759140254a49c07cce..ee69758827134b6827c9b326a8d3fa1a9fe172bd 100755 (executable)
--- a/gatekeeper.pl
+++ b/gatekeeper.pl
@@ -946,7 +946,7 @@ sub _spawn_gpgv {
     open STDERR, '>&', $gpgv_output_sink or ftp_abort("ERR: set stderr: $!");
 
     # Exec gpgv
-    exec { GPGV_BIN } @gpgv_args        or ftp_abort("ERR: $!");
+    exec { GPGV_BIN } @gpgv_args        or ftp_abort("ERR: exec: $!");
   }
 
   # The parent continues here...