android: fix gpgme build

No need to include config_lgpl.h when gpgme is disabled.

Change-Id: I03f8b093a355452df928607e0f52e3793d5ca0d1

config_host/config_gpgme.h.in

@@ -13,10 +13,11 @@
 #ifndef CONFIG_GPGME_H
 #define CONFIG_GPGME_H
 
-#include "config_lgpl.h"
-
 // Defined if gpgme support is available
 #define GPGME_HAVE_GPGME 0
+#if GPGME_HAVE_GPGME
+#include "config_lgpl.h"
+#endif
 
 // Defined if gpgme supports exporting minimal key.
 #define GPGME_CAN_EXPORT_MINIMAL_KEY 0