block: remove superfluous '\n' around error_report/error_setg

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

block/archipelago.c

diff --git a/block/archipelago.c b/block/archipelago.c
index a8114b5..855655c 100644
--- a/block/archipelago.c
+++ b/block/archipelago.c
@@ -291,7 +291,7 @@
 
     ret = qemu_archipelago_xseg_init(s);
     if (ret < 0) {
-        error_report("Cannot initialize XSEG. Aborting...\n");
+        error_report("Cannot initialize XSEG. Aborting...");
         goto err_exit;
     }
 
@@ -645,7 +645,7 @@
 
     target = xseg_get_target(xseg, req);
     if (!target) {
-        error_setg(errp, "Cannot get XSEG target.\n");
+        error_setg(errp, "Cannot get XSEG target.");
         goto err_exit;
     }
     memcpy(target, volname, targetlen);
@@ -889,7 +889,7 @@
     return &aio_cb->common;
 
 err_exit:
-    error_report("qemu_archipelago_aio_rw(): I/O Error\n");
+    error_report("qemu_archipelago_aio_rw(): I/O Error");
     qemu_aio_unref(aio_cb);
     return NULL;
 }

hw/block/nand.c

diff --git a/hw/block/nand.c b/hw/block/nand.c
index 1882a0c..61d2cec 100644
--- a/hw/block/nand.c
+++ b/hw/block/nand.c
@@ -393,7 +393,7 @@
         nand_init_2048(s);
         break;
     default:
-        error_setg(errp, "Unsupported NAND block size %#x\n",
+        error_setg(errp, "Unsupported NAND block size %#x",
                    1 << s->page_shift);
         return;
     }

qemu-img.c

diff --git a/qemu-img.c b/qemu-img.c
index 7ac7f56..6d17755 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -1645,7 +1645,7 @@
     if (skip_create) {
         int64_t output_sectors = blk_nb_sectors(out_blk);
         if (output_sectors < 0) {
-            error_report("unable to get output image length: %s\n",
+            error_report("unable to get output image length: %s",
                          strerror(-output_sectors));
             ret = -1;
             goto out;