nvmecontrol: use uintmax_t for a size

Use uintmax_t cast to print the size of the device for the non-humanize
case to avoid issues with 32-bit longs.

Fixes:			9c1bec9c21
Sponsored by:		Netflix

sbin/nvmecontrol/devlist.c

@@ -143,7 +143,7 @@ devlist(const struct cmd *f, int argc, char *argv[])
 				printf("  %10s (%s)\n", name, buf);
 
 			} else {
-				printf("  %10s (%luMB)\n", name, size / 1024 / 1024);
+				printf("  %10s (%juMB)\n", name, (uintmax_t)size / 1024 / 1024);
 			}
 		}