removed a lot of trailing \n in bb_msg() calls. It is added
automatically by function itself.

diff --git a/modutils/insmod.c b/modutils/insmod.c
index 3aabadd..e57dd06 100644
--- a/modutils/insmod.c
+++ b/modutils/insmod.c
@@ -3562,7 +3562,7 @@
 		sec->contents = imagebase + (sec->header.sh_addr - base);
 		fseek(fp, sec->header.sh_offset, SEEK_SET);
 		if (fread(sec->contents, sec->header.sh_size, 1, fp) != 1) {
-			bb_error_msg("error reading ELF section data: %s\n", strerror(errno));
+			bb_perror_msg("error reading ELF section data");
 			return 0;
 		}