riched20: Remove superfluous pointer casts.
diff --git a/dlls/riched20/string.c b/dlls/riched20/string.c
index ee33214..0bd751c 100644
--- a/dlls/riched20/string.c
+++ b/dlls/riched20/string.c
@@ -357,12 +357,12 @@
   assert(psz != NULL);
 
   if (unicode)
-    return (LPWSTR)psz;
+    return psz;
   else {
     WCHAR *tmp;
-    int nChars = MultiByteToWideChar(CP_ACP, 0, (char *)psz, -1, NULL, 0);
+    int nChars = MultiByteToWideChar(CP_ACP, 0, psz, -1, NULL, 0);
     if((tmp = ALLOC_N_OBJ(WCHAR, nChars)) != NULL)
-      MultiByteToWideChar(CP_ACP, 0, (char *)psz, -1, tmp, nChars);
+      MultiByteToWideChar(CP_ACP, 0, psz, -1, tmp, nChars);
     return tmp;
   }
 }