message string changes, mostly for consistency, also -32 bytes in .rodata
diff --git a/archival/rpm.c b/archival/rpm.c
index 448a479..2ef7232 100644
--- a/archival/rpm.c
+++ b/archival/rpm.c
@@ -183,7 +183,7 @@
 
 	xread(archive_handle->src_fd, &magic, 2);
 	if ((magic[0] != 0x1f) || (magic[1] != 0x8b)) {
-		bb_error_msg_and_die("Invalid gzip magic");
+		bb_error_msg_and_die("invalid gzip magic");
 	}
 	check_header_gzip(archive_handle->src_fd);
 	xchdir("/"); // Install RPM's to root