add INIT_G()'s. No code changes.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

miscutils/hdparm.c

@@ -433,6 +433,7 @@ struct BUG_G_too_big {
 #define hwif_data          (G.hwif_data              )
 #define hwif_ctrl          (G.hwif_ctrl              )
 #define hwif_irq           (G.hwif_irq               )
+#define INIT_G() do { } while (0)
 
 
 /* Busybox messages and functions */
@@ -2059,6 +2060,8 @@ int hdparm_main(int argc, char **argv)
 	int c;
 	int flagcount = 0;
 
+	INIT_G();
+
 	while ((c = getopt(argc, argv, hdparm_options)) >= 0) {
 		flagcount++;
 		IF_FEATURE_HDPARM_GET_IDENTITY(get_IDentity |= (c == 'I'));