Replace virBufferAdd with virBufferAddLit for const string

The statement

        virBufferAdd(buf, "''", 2);

triggers a syntax-check warning

* src/util/buf.c: Replace virBufferAdd with virBufferAddLit

diff --git a/src/util/buf.c b/src/util/buf.c
index b7fcf6d603ad8cea631eaa5c50df042c11c36444..5893e1199fa576e3eb6f5cd435d6917d9992d40d 100644 (file)
--- a/src/util/buf.c
+++ b/src/util/buf.c
@@ -520,7 +520,7 @@ virBufferEscapeShell(virBufferPtr buf, const char *str)
             return;
         }
     } else {
-        virBufferAdd(buf, "''", 2);
+        virBufferAddLit(buf, "''");
         return;
     }