RISC-V/bfd: Fix bitsize of R_RISCV_ADD8.

bfd/ChangeLog:
	* bfd/elfxx-riscv.c (howto_table): Fix bitsize of R_RISCV_ADD8.
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 346ff29..d7a5693 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,7 @@
+2016-11-24  Kuan-Lin Chen  <kuanlinchentw@gmail.com>
+
+	* bfd/elfxx-riscv.c (howto_table): Fix bitsize of R_RISCV_ADD8.
+
 2016-11-23  Nick Clifton  <nickc@redhat.com>
 
 	PR ld/20815
diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c
index bd68fe4..c1f28f7 100644
--- a/bfd/elfxx-riscv.c
+++ b/bfd/elfxx-riscv.c
@@ -479,7 +479,7 @@
   HOWTO (R_RISCV_ADD8,			/* type */
 	 0,				/* rightshift */
 	 0,				/* size */
-	 32,				/* bitsize */
+	 8,				/* bitsize */
 	 FALSE,				/* pc_relative */
 	 0,				/* bitpos */
 	 complain_overflow_dont,	/* complain_on_overflow */