riched20: In ME_ProtectPartialTableDeletion properly set out parameter (cppcheck).

Signed-off-by: Fabian Maurer <dark.shadow4@web.de>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/riched20/table.c

diff --git a/dlls/riched20/table.c b/dlls/riched20/table.c
index b834bc7..d2cab9a 100644
--- a/dlls/riched20/table.c
+++ b/dlls/riched20/table.c
@@ -400,7 +400,7 @@
       }
     }
     if (*nChars < 0)
-      nChars = 0;
+      *nChars = 0;
   }
 }