Fix c90 warnings on ic746.c

icom/ic746.c

@@ -971,6 +971,9 @@ int ic746pro_get_channel(RIG *rig, channel_t *chan)
     /* do this only if not a blank channel */
     if (chan_len != 1)
     {
+        int band;
+        int sc;
+        unsigned char databuf[32];
 
         membuf = (mem_buf_t *)(chanbuf + 4);
 
@@ -991,14 +994,12 @@ int ic746pro_get_channel(RIG *rig, channel_t *chan)
 
         /* offset is default for the band & is not stored in channel memory.
           The following retrieves the system default for the band */
-        int band = (int) chan->freq / 1000000;  /* hf, 2m or 6 m */
+        band = (int) chan->freq / 1000000;  /* hf, 2m or 6 m */
 
-        int sc;
         if (band < 50) { sc = S_MEM_HF_DUP_OFST; }
         else if (band < 108) { sc = S_MEM_6M_DUP_OFST; }
         else { sc = S_MEM_2M_DUP_OFST; }
 
-        unsigned char databuf[32];
         retval = icom_transaction(rig, C_CTL_MEM, sc,
                                   NULL, 0, databuf, &data_len);